Trevor Kelley

Free Agent (AAA)

Age: 32

Bats/Throws: R/R

6'2" / 210

DOB: 10/20/1992

(32 years, 1 month, 24 days)

Stats

Preseason ProjectionsMinor LeaguesSpring TrainingRegular MLB Seasons

Season	Team	Level	Age	W W - Wins	L L - Losses	SV SV - Saves	G G - Games Pitched	GS GS - Games Started	IP IP - Innings Pitched	K/9 K/9 - Strikeouts per 9 Innings ((SO*9)/IP)	BB/9 BB/9 - Walks per 9 Innings ((BB*9)/IP)	HR/9 HR/9 - Home Runs per 9 Innings ((HR*9)/IP)	BABIP BABIP - Batting Average on Balls in Play	LOB% LOB% - Left on Base Percentage	GB% GB% - Ground Ball Percentage (GB/BIP)	HR/FB HR/FB - Home Run to Fly Ball Ratio	vFA vFA - Fourseam Fastball velocity (Pitch Info)	ERA ERA - Earned Run Average ((ER*9)/IP)	xERA xERA - Expected ERA	FIP FIP - Fielder Independent Pitching on an ERA scale	xFIP xFIP - Expected Fielder Independent Pitching where Home Runs are calculated as 10.5% of Fly Balls induced	WAR WAR - Wins Above Replacement
2015	BOS	R	22	0	0	3	6	0	7.0	10.29	2.57	0.00	.278	85.7%	31.3%	0.0%		1.29		1.88	2.51
2015	BOS	A-	22	1	3	1	12	0	18.0	10.00	4.00	0.50	.358	74.3%	46.2%	6.3%		4.50		3.85	3.63
2016	BOS	A	23	1	3	3	21	0	37.1	9.64	1.21	0.48	.305	83.3%	51.5%	7.4%		1.93		2.44	2.42
2016	BOS	A+	23	0	0	0	1	0	2.0	13.50	0.00	0.00	.000	100.0%	66.7%	0.0%		0.00		0.55	0.99
2017	BOS	A+	24	1	0	7	22	0	33.2	8.55	2.14	0.27	.259	87.8%	42.7%	3.1%		1.34		2.59	3.22
2017	BOS	AA	24	1	1	0	16	0	27.1	5.60	2.30	0.33	.307	70.2%	43.2%	3.1%		3.62		3.44	4.36
2017	BOS Red Sox (ST)	ST	24	0	0	0	1	0	1.0	9.00	0.00	0.00	.500	100.0%	50.0%	0.0%		0.00		1.65	3.28
2018	BOS	AA	25	1	2	5	28	0	33.0	6.82	3.55	0.27	.297	64.2%	26.0%	2.0%		3.82		3.48	4.73
2018	BOS	AAA	25	1	1	1	13	0	23.1	7.71	3.47	0.39	.299	83.9%	37.9%	3.2%		1.54		3.33	4.30
2018	BOS Red Sox (ST)	ST	25	0	0	1	8	0	6.2	6.75	0.00	0.00	.286	100.0%	25.0%	0.0%		0.00		2.56	4.60
2019	BOS	AAA	26	5	5	12	52	0	65.1	8.68	2.89	1.10	.253	89.8%	33.5%	8.8%		1.79		4.53	5.48
2019	BOS Red Sox (ST)	ST	26	1	0	0	8	0	3.2	4.91	2.45	0.00	.300	100.0%	40.0%	0.0%		0.00		3.46	5.41
2019	BOS Red Sox	MLB	26	0	3	0	10	0	8.1	6.48	5.40	2.16	.259	53.6%	17.2%	10.5%		8.64	9.21	6.69	8.11	-0.2
2020	PHI Phillies (ST)	ST	27	0	0	0	6	0	6.1	12.79	2.84	0.00	.154	100.0%	33.3%	0.0%		0.00		1.69	3.15
2020	PHI Phillies	MLB	27	0	0	0	4	0	3.1	13.50	2.70	5.40	.545	80.6%	30.8%	40.0%		10.80	8.02	8.89	3.98	-0.1
2021	ATL	AAA	28	3	4	2	37	0	41.1	10.02	3.92	0.44	.266	82.9%	33.7%	4.9%		1.52		3.07	4.20
2022	MIL	AAA	29	3	3	9	34	0	34.1	11.01	2.62	0.52	.314	77.3%	44.8%	6.9%		2.36		2.69	3.33
2022	MIL Brewers (ST)	ST	29	0	0	0	3	0	3.0	6.00	3.00	0.00	.364	20.0%	18.2%	0.0%		12.00		3.32	6.83
2022	MIL Brewers	MLB	29	1	0	0	18	0	23.2	8.75	3.42	2.66	.273	72.5%	35.6%	21.9%		6.08	4.20	6.41	4.56	-0.5
2023	TBR	CPX	30	1	0	0	1	0	1.0	9.00	0.00	0.00	.000	100.0%	50.0%	0.0%		0.00		1.95	2.97
2023	TBR	AAA	30	1	0	2	27	3	32.2	7.71	3.03	1.93	.304	70.4%	47.2%	17.1%		5.23		5.84	5.46
2023	TBR Rays (ST)	ST	30	0	0	0	9	0	7.2	7.04	2.35	0.00	.273	88.9%	50.0%	0.0%		1.17		3.42	4.81
2023	TBR Rays	MLB	30	0	1	0	10	3	15.1	6.46	3.52	2.35	.261	76.1%	34.0%	16.0%	89.8	5.87	5.34	6.78	6.08	-0.3
2024	SEA Mariners (ST)	ST	31	0	0	1	5	0	4.0	11.25	6.75	2.25	.222	30.3%	10.0%	16.7%		13.50		8.24	7.55
2024	SEA	AAA	31	3	2	1	54	0	53.2	10.40	5.53	1.17	.326	76.1%	35.3%	12.3%		3.52		5.12	5.36
2025	Steamer Steamer	PROJ	32	0	0	0	1	0	1.0	6.53	3.71	1.47	.293	70.1%	39.3%			5.08		5.20	5.05	0.0
Total	- - -	MLB		1	4	0	42	3	50.2	7.99	3.73	2.66	.287	71.0%	31.5%	18.5%	89.8	6.75		6.73	5.57	-1.1

Season	Team	Level	Age	W W - Wins	L L - Losses	SV SV - Saves	G G - Games Pitched	GS GS - Games Started	IP IP - Innings Pitched	K/9 K/9 - Strikeouts per 9 Innings ((SO*9)/IP)	BB/9 BB/9 - Walks per 9 Innings ((BB*9)/IP)	HR/9 HR/9 - Home Runs per 9 Innings ((HR*9)/IP)	BABIP BABIP - Batting Average on Balls in Play	LOB% LOB% - Left on Base Percentage	GB% GB% - Ground Ball Percentage (GB/BIP)	HR/FB HR/FB - Home Run to Fly Ball Ratio	vFA vFA - Fourseam Fastball velocity (Pitch Info)	ERA ERA - Earned Run Average ((ER*9)/IP)	xERA xERA - Expected ERA	FIP FIP - Fielder Independent Pitching on an ERA scale	xFIP xFIP - Expected Fielder Independent Pitching where Home Runs are calculated as 10.5% of Fly Balls induced	WAR WAR - Wins Above Replacement
2015	BOS	R	22	0	0	3	6	0	7.0	10.29	2.57	0.00	.278	85.7%	31.3%	0.0%		1.29		1.88	2.51
2015	BOS	A-	22	1	3	1	12	0	18.0	10.00	4.00	0.50	.358	74.3%	46.2%	6.3%		4.50		3.85	3.63
2016	BOS	A	23	1	3	3	21	0	37.1	9.64	1.21	0.48	.305	83.3%	51.5%	7.4%		1.93		2.44	2.42
2016	BOS	A+	23	0	0	0	1	0	2.0	13.50	0.00	0.00	.000	100.0%	66.7%	0.0%		0.00		0.55	0.99
2017	BOS	A+	24	1	0	7	22	0	33.2	8.55	2.14	0.27	.259	87.8%	42.7%	3.1%		1.34		2.59	3.22
2017	BOS	AA	24	1	1	0	16	0	27.1	5.60	2.30	0.33	.307	70.2%	43.2%	3.1%		3.62		3.44	4.36
2017	BOS Red Sox (ST)	ST	24	0	0	0	1	0	1.0	9.00	0.00	0.00	.500	100.0%	50.0%	0.0%		0.00		1.65	3.28
2018	BOS	AA	25	1	2	5	28	0	33.0	6.82	3.55	0.27	.297	64.2%	26.0%	2.0%		3.82		3.48	4.73
2018	BOS	AAA	25	1	1	1	13	0	23.1	7.71	3.47	0.39	.299	83.9%	37.9%	3.2%		1.54		3.33	4.30
2018	BOS Red Sox (ST)	ST	25	0	0	1	8	0	6.2	6.75	0.00	0.00	.286	100.0%	25.0%	0.0%		0.00		2.56	4.60
2019	BOS	AAA	26	5	5	12	52	0	65.1	8.68	2.89	1.10	.253	89.8%	33.5%	8.8%		1.79		4.53	5.48
2019	BOS Red Sox (ST)	ST	26	1	0	0	8	0	3.2	4.91	2.45	0.00	.300	100.0%	40.0%	0.0%		0.00		3.46	5.41
2019	BOS Red Sox	MLB	26	0	3	0	10	0	8.1	6.48	5.40	2.16	.259	53.6%	17.2%	10.5%		8.64	9.21	6.69	8.11	-0.2
2020	PHI Phillies (ST)	ST	27	0	0	0	6	0	6.1	12.79	2.84	0.00	.154	100.0%	33.3%	0.0%		0.00		1.69	3.15
2020	PHI Phillies	MLB	27	0	0	0	4	0	3.1	13.50	2.70	5.40	.545	80.6%	30.8%	40.0%		10.80	8.02	8.89	3.98	-0.1
2021	ATL	AAA	28	3	4	2	37	0	41.1	10.02	3.92	0.44	.266	82.9%	33.7%	4.9%		1.52		3.07	4.20
2022	MIL	AAA	29	3	3	9	34	0	34.1	11.01	2.62	0.52	.314	77.3%	44.8%	6.9%		2.36		2.69	3.33
2022	MIL Brewers (ST)	ST	29	0	0	0	3	0	3.0	6.00	3.00	0.00	.364	20.0%	18.2%	0.0%		12.00		3.32	6.83
2022	MIL Brewers	MLB	29	1	0	0	18	0	23.2	8.75	3.42	2.66	.273	72.5%	35.6%	21.9%		6.08	4.20	6.41	4.56	-0.5
2023	TBR	CPX	30	1	0	0	1	0	1.0	9.00	0.00	0.00	.000	100.0%	50.0%	0.0%		0.00		1.95	2.97
2023	TBR	AAA	30	1	0	2	27	3	32.2	7.71	3.03	1.93	.304	70.4%	47.2%	17.1%		5.23		5.84	5.46
2023	TBR Rays (ST)	ST	30	0	0	0	9	0	7.2	7.04	2.35	0.00	.273	88.9%	50.0%	0.0%		1.17		3.42	4.81
2023	TBR Rays	MLB	30	0	1	0	10	3	15.1	6.46	3.52	2.35	.261	76.1%	34.0%	16.0%	89.8	5.87	5.34	6.78	6.08	-0.3
2024	SEA Mariners (ST)	ST	31	0	0	1	5	0	4.0	11.25	6.75	2.25	.222	30.3%	10.0%	16.7%		13.50		8.24	7.55
2024	SEA	AAA	31	3	2	1	54	0	53.2	10.40	5.53	1.17	.326	76.1%	35.3%	12.3%		3.52		5.12	5.36
2025	Steamer Steamer	PROJ	32	0	0	0	1	0	1.0	6.53	3.71	1.47	.293	70.1%	39.3%			5.08		5.20	5.05	0.0
Total	- - -	MLB		1	4	0	42	3	50.2	7.99	3.73	2.66	.287	71.0%	31.5%	18.5%	89.8	6.75		6.73	5.57	-1.1

Preseason ProjectionsMinor LeaguesSpring TrainingRegular MLB Seasons

Season	Team	Level	W W - Wins	L L - Losses	ERA ERA - Earned Run Average ((ER*9)/IP)	G G - Games Pitched	GS GS - Games Started	QS	SV SV - Saves	HLD HLD - Holds	BS BS - Blown Saves	IP IP - Innings Pitched	TBF TBF - Total Batters Faced	H H - Hits Allowed	R R - Runs Allowed	ER ER - Earned Runs	HR HR - Home Runs	BB BB - Walks	IBB IBB - Intentional	HBP HBP - Hit Batters	WP WP - Wild Pitches	BK BK - Balks	SO SO - Strikeouts
2015	BOS	R	0	0	1.29	6	0		3	0	0	7.0	28	5	1	1	0	2	0	0	0	0	8
2015	BOS	A-	1	3	4.50	12	0		1	0	2	18.0	85	20	9	9	1	8	3	3	3	0	20
2016	BOS	A	1	3	1.93	21	0		3	2	0	37.1	153	34	9	8	2	5	1	1	0	1	40
2016	BOS	A+	0	0	0.00	1	0		0	0	0	2.0	6	0	0	0	0	0	0	0	0	0	3
2017	BOS	A+	1	0	1.34	22	0		7	0	0	33.2	126	23	5	5	1	8	0	0	2	0	32
2017	BOS	AA	1	1	3.62	16	0		0	0	1	27.1	115	28	12	11	1	7	0	2	1	0	17
2017	BOS Red Sox (ST)	ST	0	0	0.00	1	0		0	0	0	1.0	5	2	0	0	0	0	0	0	0	0	1
2018	BOS	AA	1	2	3.82	28	0		5	2	1	33.0	141	31	17	14	1	13	0	1	3	0	25
2018	BOS	AAA	1	1	1.54	13	0		1	3	2	23.1	97	21	6	4	1	9	1	0	3	0	20
2018	BOS Red Sox (ST)	ST	0	0	0.00	8	0		1	3	0	6.2	27	6	0	0	0	0	0	1	0	0	5
2019	BOS	AAA	5	5	1.79	52	0		12	4	3	65.1	268	51	18	13	8	21	3	6	4	0	63
2019	BOS Red Sox (ST)	ST	1	0	0.00	8	0		0	1	0	3.2	13	3	0	0	0	1	0	0	1	0	2
2019	BOS Red Sox	MLB	0	3	8.64	10	0	0	0	0	0	8.1	40	9	8	8	2	5	0	0	2	0	6
2020	PHI Phillies (ST)	ST	0	0	0.00	6	0		0	1	0	6.1	24	2	0	0	0	2	0	0	1	0	9
2020	PHI Phillies	MLB	0	0	10.80	4	0	0	0	0	0	3.1	19	8	4	4	2	1	0	0	1	0	5
2021	ATL	AAA	3	4	1.52	37	0		2	7	2	41.1	160	27	10	7	2	18	1	0	0	0	46
2022	MIL	AAA	3	3	2.36	34	0		9	3	2	34.1	140	29	11	9	2	10	0	0	1	1	42
2022	MIL Brewers (ST)	ST	0	0	12.00	3	0		0	0	0	3.0	14	4	4	4	0	1	0	0	0	0	2
2022	MIL Brewers	MLB	1	0	6.08	18	0	0	0	2	1	23.2	107	25	17	16	7	9	0	2	0	0	23
2023	TBR	CPX	1	0	0.00	1	0		0	0	0	1.0	3	0	0	0	0	0	0	0	0	0	1
2023	TBR	AAA	1	0	5.23	27	3		2	4	1	32.2	150	38	22	19	7	11	0	2	1	2	28
2023	TBR Rays (ST)	ST	0	0	1.17	9	0		0	3	1	7.2	31	6	1	1	0	2	0	1	0	0	6
2023	TBR Rays	MLB	0	1	5.87	10	3	0	0	1	0	15.1	69	16	10	10	4	6	1	2	1	1	11
2024	SEA Mariners (ST)	ST	0	0	13.50	5	0		1	0	0	4.0	20	3	6	6	1	3	0	2	0	0	5
2024	SEA	AAA	3	2	3.52	54	0		1	14	5	53.2	241	52	28	21	7	33	1	1	0	2	62
2025	Steamer Steamer	PROJ	0	0	5.08	1	0		0	0		1.0	4	1	1	1	0	0		0			1
Total	- - -	MLB	1	4	6.75	42	3	0	0	3	1	50.2	235	58	39	38	15	21	1	4	4	1	45

Season	Team	Level	W W - Wins	L L - Losses	ERA ERA - Earned Run Average ((ER*9)/IP)	G G - Games Pitched	GS GS - Games Started	QS	SV SV - Saves	HLD HLD - Holds	BS BS - Blown Saves	IP IP - Innings Pitched	TBF TBF - Total Batters Faced	H H - Hits Allowed	R R - Runs Allowed	ER ER - Earned Runs	HR HR - Home Runs	BB BB - Walks	IBB IBB - Intentional	HBP HBP - Hit Batters	WP WP - Wild Pitches	BK BK - Balks	SO SO - Strikeouts
2015	BOS	R	0	0	1.29	6	0		3	0	0	7.0	28	5	1	1	0	2	0	0	0	0	8
2015	BOS	A-	1	3	4.50	12	0		1	0	2	18.0	85	20	9	9	1	8	3	3	3	0	20
2016	BOS	A	1	3	1.93	21	0		3	2	0	37.1	153	34	9	8	2	5	1	1	0	1	40
2016	BOS	A+	0	0	0.00	1	0		0	0	0	2.0	6	0	0	0	0	0	0	0	0	0	3
2017	BOS	A+	1	0	1.34	22	0		7	0	0	33.2	126	23	5	5	1	8	0	0	2	0	32
2017	BOS	AA	1	1	3.62	16	0		0	0	1	27.1	115	28	12	11	1	7	0	2	1	0	17
2017	BOS Red Sox (ST)	ST	0	0	0.00	1	0		0	0	0	1.0	5	2	0	0	0	0	0	0	0	0	1
2018	BOS	AA	1	2	3.82	28	0		5	2	1	33.0	141	31	17	14	1	13	0	1	3	0	25
2018	BOS	AAA	1	1	1.54	13	0		1	3	2	23.1	97	21	6	4	1	9	1	0	3	0	20
2018	BOS Red Sox (ST)	ST	0	0	0.00	8	0		1	3	0	6.2	27	6	0	0	0	0	0	1	0	0	5
2019	BOS	AAA	5	5	1.79	52	0		12	4	3	65.1	268	51	18	13	8	21	3	6	4	0	63
2019	BOS Red Sox (ST)	ST	1	0	0.00	8	0		0	1	0	3.2	13	3	0	0	0	1	0	0	1	0	2
2019	BOS Red Sox	MLB	0	3	8.64	10	0	0	0	0	0	8.1	40	9	8	8	2	5	0	0	2	0	6
2020	PHI Phillies (ST)	ST	0	0	0.00	6	0		0	1	0	6.1	24	2	0	0	0	2	0	0	1	0	9
2020	PHI Phillies	MLB	0	0	10.80	4	0	0	0	0	0	3.1	19	8	4	4	2	1	0	0	1	0	5
2021	ATL	AAA	3	4	1.52	37	0		2	7	2	41.1	160	27	10	7	2	18	1	0	0	0	46
2022	MIL	AAA	3	3	2.36	34	0		9	3	2	34.1	140	29	11	9	2	10	0	0	1	1	42
2022	MIL Brewers (ST)	ST	0	0	12.00	3	0		0	0	0	3.0	14	4	4	4	0	1	0	0	0	0	2
2022	MIL Brewers	MLB	1	0	6.08	18	0	0	0	2	1	23.2	107	25	17	16	7	9	0	2	0	0	23
2023	TBR	CPX	1	0	0.00	1	0		0	0	0	1.0	3	0	0	0	0	0	0	0	0	0	1
2023	TBR	AAA	1	0	5.23	27	3		2	4	1	32.2	150	38	22	19	7	11	0	2	1	2	28
2023	TBR Rays (ST)	ST	0	0	1.17	9	0		0	3	1	7.2	31	6	1	1	0	2	0	1	0	0	6
2023	TBR Rays	MLB	0	1	5.87	10	3	0	0	1	0	15.1	69	16	10	10	4	6	1	2	1	1	11
2024	SEA Mariners (ST)	ST	0	0	13.50	5	0		1	0	0	4.0	20	3	6	6	1	3	0	2	0	0	5
2024	SEA	AAA	3	2	3.52	54	0		1	14	5	53.2	241	52	28	21	7	33	1	1	0	2	62
2025	Steamer Steamer	PROJ	0	0	5.08	1	0		0	0		1.0	4	1	1	1	0	0		0			1
Total	- - -	MLB	1	4	6.75	42	3	0	0	3	1	50.2	235	58	39	38	15	21	1	4	4	1	45

Preseason ProjectionsMinor LeaguesSpring TrainingRegular MLB SeasonsAverages

Season	Team	Level	K/9 K/9 - Strikeouts per 9 Innings ((SO*9)/IP)	BB/9 BB/9 - Walks per 9 Innings ((BB*9)/IP)	K/BB K/BB - Strikeout to Walk Ratio (SO/BB)	HR/9 HR/9 - Home Runs per 9 Innings ((HR*9)/IP)	K% K% - Strikeout Percentage (SO/TBF)	BB% BB% - Walk Percentage (BB/TBF)	K-BB% K-BB% - The difference between strikeout percentage and walk percentage	AVG AVG - Batting Average Against	WHIP WHIP - Walks + Hits divided by Innings Pitched	BABIP BABIP - Batting Average on Balls in Play	LOB% LOB% - Left on Base Percentage	ERA- ERA- - ERA adjusted for park and league where 100 is average and lower is better	FIP- FIP- - FIP adjusted for park and league where 100 is average and lower is better	FIP FIP - Fielder Independent Pitching on an ERA scale
2015	BOS	R	10.29	2.57	4.00	0.00	28.6%	7.1%	21.4%	.192	1.00	.278	85.7%			1.88
2015	BOS	A-	10.00	4.00	2.50	0.50	23.5%	9.4%	14.1%	.270	1.56	.358	74.3%			3.85
2016	BOS	A	9.64	1.21	8.00	0.48	26.1%	3.3%	22.9%	.231	1.04	.305	83.3%			2.44
2016	BOS	A+	13.50	0.00	3.00	0.00	50.0%	0.0%	50.0%	.000	0.00	.000	100.0%			0.55
2017	BOS	A+	8.55	2.14	4.00	0.27	25.4%	6.3%	19.0%	.195	0.92	.259	87.8%			2.59
2017	BOS	AA	5.60	2.30	2.43	0.33	14.8%	6.1%	8.7%	.264	1.28	.307	70.2%			3.44
2017	BOS Red Sox (ST)	ST	9.00	0.00	1.00	0.00	20.0%	0.0%	20.0%	.400	2.00	.500	100.0%			1.65
2018	BOS	AA	6.82	3.55	1.92	0.27	17.7%	9.2%	8.5%	.244	1.33	.297	64.2%			3.48
2018	BOS	AAA	7.71	3.47	2.22	0.39	20.6%	9.3%	11.3%	.239	1.29	.299	83.9%			3.33
2018	BOS Red Sox (ST)	ST	6.75	0.00	5.00	0.00	18.5%	0.0%	18.5%	.231	0.90	.286	100.0%			2.56
2019	BOS	AAA	8.68	2.89	3.00	1.10	23.5%	7.8%	15.7%	.212	1.10	.253	89.8%			4.53
2019	BOS Red Sox (ST)	ST	4.91	2.45	2.00	0.00	15.4%	7.7%	7.7%	.250	1.09	.300	100.0%			3.46
2019	BOS Red Sox	MLB	6.48	5.40	1.20	2.16	15.0%	12.5%	2.5%	.257	1.68	.259	53.6%	179	148	6.69
2019	Average		8.88	3.29	2.69	1.40	23.0%	8.5%	14.4%	.249	1.33	.296	72.3%			4.49
2020	PHI Phillies (ST)	ST	12.79	2.84	4.50	0.00	37.5%	8.3%	29.2%	.091	0.63	.154	100.0%			1.69
2020	PHI Phillies	MLB	13.50	2.70	5.00	5.40	26.3%	5.3%	21.1%	.444	2.70	.545	80.6%	239	195	8.89
2020	Average		9.07	3.54	2.56	1.34	23.4%	9.2%	14.3%	.242	1.33	.291	71.8%			4.46
2021	ATL	AAA	10.02	3.92	2.56	0.44	28.7%	11.3%	17.5%	.190	1.09	.266	82.9%			3.07
2022	MIL	AAA	11.01	2.62	4.20	0.52	30.0%	7.1%	22.9%	.223	1.14	.314	77.3%			2.69
2022	MIL Brewers (ST)	ST	6.00	3.00	2.00	0.00	14.3%	7.1%	7.1%	.308	1.67	.364	20.0%			3.32
2022	MIL Brewers	MLB	8.75	3.42	2.56	2.66	21.5%	8.4%	13.1%	.260	1.44	.273	72.5%	150	158	6.41
2022	Average		8.53	3.10	2.75	1.09	22.4%	8.2%	14.3%	.240	1.27	.289	72.6%			4.06
2023	TBR	CPX	9.00	0.00	1.00	0.00	33.3%	0.0%	33.3%	.000	0.00	.000	100.0%			1.95
2023	TBR	AAA	7.71	3.03	2.55	1.93	18.7%	7.3%	11.3%	.277	1.50	.304	70.4%			5.84
2023	TBR Rays (ST)	ST	7.04	2.35	3.00	0.00	19.4%	6.5%	12.9%	.214	1.04	.273	88.9%			3.42
2023	TBR Rays	MLB	6.46	3.52	1.83	2.35	15.9%	8.7%	7.2%	.262	1.43	.261	76.1%	142	163	6.78
2023	Average		8.74	3.30	2.65	1.23	22.7%	8.6%	14.1%	.246	1.31	.295	71.9%			4.28
2024	SEA Mariners (ST)	ST	11.25	6.75	1.67	2.25	25.0%	15.0%	10.0%	.200	1.50	.222	30.3%			8.24
2024	SEA	AAA	10.40	5.53	1.88	1.17	25.7%	13.7%	12.0%	.251	1.58	.326	76.1%			5.12
2025	Steamer Steamer	PROJ	6.53	3.71	1.76	1.47	16.4%	9.3%	7.1%	.268	1.48	.293	70.1%			5.20
Total	- - -	MLB	7.99	3.73	2.14	2.66	19.1%	8.9%	10.2%	.276	1.56	.287	71.0%	159	160	6.73

Season	Team	Level	K/9 K/9 - Strikeouts per 9 Innings ((SO*9)/IP)	BB/9 BB/9 - Walks per 9 Innings ((BB*9)/IP)	K/BB K/BB - Strikeout to Walk Ratio (SO/BB)	HR/9 HR/9 - Home Runs per 9 Innings ((HR*9)/IP)	K% K% - Strikeout Percentage (SO/TBF)	BB% BB% - Walk Percentage (BB/TBF)	K-BB% K-BB% - The difference between strikeout percentage and walk percentage	AVG AVG - Batting Average Against	WHIP WHIP - Walks + Hits divided by Innings Pitched	BABIP BABIP - Batting Average on Balls in Play	LOB% LOB% - Left on Base Percentage	ERA- ERA- - ERA adjusted for park and league where 100 is average and lower is better	FIP- FIP- - FIP adjusted for park and league where 100 is average and lower is better	FIP FIP - Fielder Independent Pitching on an ERA scale
2015	BOS	R	10.29	2.57	4.00	0.00	28.6%	7.1%	21.4%	.192	1.00	.278	85.7%			1.88
2015	BOS	A-	10.00	4.00	2.50	0.50	23.5%	9.4%	14.1%	.270	1.56	.358	74.3%			3.85
2016	BOS	A	9.64	1.21	8.00	0.48	26.1%	3.3%	22.9%	.231	1.04	.305	83.3%			2.44
2016	BOS	A+	13.50	0.00	3.00	0.00	50.0%	0.0%	50.0%	.000	0.00	.000	100.0%			0.55
2017	BOS	A+	8.55	2.14	4.00	0.27	25.4%	6.3%	19.0%	.195	0.92	.259	87.8%			2.59
2017	BOS	AA	5.60	2.30	2.43	0.33	14.8%	6.1%	8.7%	.264	1.28	.307	70.2%			3.44
2017	BOS Red Sox (ST)	ST	9.00	0.00	1.00	0.00	20.0%	0.0%	20.0%	.400	2.00	.500	100.0%			1.65
2018	BOS	AA	6.82	3.55	1.92	0.27	17.7%	9.2%	8.5%	.244	1.33	.297	64.2%			3.48
2018	BOS	AAA	7.71	3.47	2.22	0.39	20.6%	9.3%	11.3%	.239	1.29	.299	83.9%			3.33
2018	BOS Red Sox (ST)	ST	6.75	0.00	5.00	0.00	18.5%	0.0%	18.5%	.231	0.90	.286	100.0%			2.56
2019	BOS	AAA	8.68	2.89	3.00	1.10	23.5%	7.8%	15.7%	.212	1.10	.253	89.8%			4.53
2019	BOS Red Sox (ST)	ST	4.91	2.45	2.00	0.00	15.4%	7.7%	7.7%	.250	1.09	.300	100.0%			3.46
2019	BOS Red Sox	MLB	6.48	5.40	1.20	2.16	15.0%	12.5%	2.5%	.257	1.68	.259	53.6%	179	148	6.69
2019	Average		8.88	3.29	2.69	1.40	23.0%	8.5%	14.4%	.249	1.33	.296	72.3%			4.49
2020	PHI Phillies (ST)	ST	12.79	2.84	4.50	0.00	37.5%	8.3%	29.2%	.091	0.63	.154	100.0%			1.69
2020	PHI Phillies	MLB	13.50	2.70	5.00	5.40	26.3%	5.3%	21.1%	.444	2.70	.545	80.6%	239	195	8.89
2020	Average		9.07	3.54	2.56	1.34	23.4%	9.2%	14.3%	.242	1.33	.291	71.8%			4.46
2021	ATL	AAA	10.02	3.92	2.56	0.44	28.7%	11.3%	17.5%	.190	1.09	.266	82.9%			3.07
2022	MIL	AAA	11.01	2.62	4.20	0.52	30.0%	7.1%	22.9%	.223	1.14	.314	77.3%			2.69
2022	MIL Brewers (ST)	ST	6.00	3.00	2.00	0.00	14.3%	7.1%	7.1%	.308	1.67	.364	20.0%			3.32
2022	MIL Brewers	MLB	8.75	3.42	2.56	2.66	21.5%	8.4%	13.1%	.260	1.44	.273	72.5%	150	158	6.41
2022	Average		8.53	3.10	2.75	1.09	22.4%	8.2%	14.3%	.240	1.27	.289	72.6%			4.06
2023	TBR	CPX	9.00	0.00	1.00	0.00	33.3%	0.0%	33.3%	.000	0.00	.000	100.0%			1.95
2023	TBR	AAA	7.71	3.03	2.55	1.93	18.7%	7.3%	11.3%	.277	1.50	.304	70.4%			5.84
2023	TBR Rays (ST)	ST	7.04	2.35	3.00	0.00	19.4%	6.5%	12.9%	.214	1.04	.273	88.9%			3.42
2023	TBR Rays	MLB	6.46	3.52	1.83	2.35	15.9%	8.7%	7.2%	.262	1.43	.261	76.1%	142	163	6.78
2023	Average		8.74	3.30	2.65	1.23	22.7%	8.6%	14.1%	.246	1.31	.295	71.9%			4.28
2024	SEA Mariners (ST)	ST	11.25	6.75	1.67	2.25	25.0%	15.0%	10.0%	.200	1.50	.222	30.3%			8.24
2024	SEA	AAA	10.40	5.53	1.88	1.17	25.7%	13.7%	12.0%	.251	1.58	.326	76.1%			5.12
2025	Steamer Steamer	PROJ	6.53	3.71	1.76	1.47	16.4%	9.3%	7.1%	.268	1.48	.293	70.1%			5.20
Total	- - -	MLB	7.99	3.73	2.14	2.66	19.1%	8.9%	10.2%	.276	1.56	.287	71.0%	159	160	6.73

Preseason ProjectionsMinor LeaguesSpring TrainingRegular MLB Seasons

Season	Team	Level	Events Events - The number of Batted Balls (TBF - SO - BB - HBP)	EV EV - Exit Velocity (mph) - Speed of the baseball as it comes off the bat	maxEV maxEV - Maximum Exit Velocity (mph) - Highest speed of a ball off the bat.	LA LA - Launch Angle (degree) - Vertical direction of the ball as it leaves the bat	Barrels Barrels - A batted ball with comparable hit types (in terms of exit velocity and launch angle) have led to a minimum .500 batting average and 1.500 slugging percentage	Barrel% Barrel% - Percentage of batted balls that are classified as barrels	HardHit HardHit - Number of batted balls with exit velocity of 95 mph or higher	HardHit% HardHit% - Percentage of batted balls with exit velocity of 95 mph or higher	ERA ERA - Earned Run Average ((ER*9)/IP)	xERA xERA - Expected ERA
2019	BOS Red Sox	MLB	29	91.0	109.4	26.3	4	13.8%	13	44.8%	8.64	9.21
2020	PHI Phillies	MLB	13	87.8	106.6	12.3	1	7.7%	5	38.5%	10.80	8.02
2022	MIL Brewers	MLB	73	85.0	111.8	19.6	9	12.3%	17	23.3%	6.08	4.20
2023	TBR	AAA	109	87.4	110.8	13.0			36	33.0%	5.23
2023	TBR Rays	MLB	50	87.5	107.3	14.3	5	10.0%	23	46.0%	5.87	5.34
2024	SEA	AAA	145	85.4	111.8	19.7			35	24.1%	3.52
Total	- - -	MLB	165	87.0	111.8	18.6	19	11.5%	58	35.2%	6.75

Season	Team	Level	Events Events - The number of Batted Balls (TBF - SO - BB - HBP)	EV EV - Exit Velocity (mph) - Speed of the baseball as it comes off the bat	maxEV maxEV - Maximum Exit Velocity (mph) - Highest speed of a ball off the bat.	LA LA - Launch Angle (degree) - Vertical direction of the ball as it leaves the bat	Barrels Barrels - A batted ball with comparable hit types (in terms of exit velocity and launch angle) have led to a minimum .500 batting average and 1.500 slugging percentage	Barrel% Barrel% - Percentage of batted balls that are classified as barrels	HardHit HardHit - Number of batted balls with exit velocity of 95 mph or higher	HardHit% HardHit% - Percentage of batted balls with exit velocity of 95 mph or higher	ERA ERA - Earned Run Average ((ER*9)/IP)	xERA xERA - Expected ERA
2019	BOS Red Sox	MLB	29	91.0	109.4	26.3	4	13.8%	13	44.8%	8.64	9.21
2020	PHI Phillies	MLB	13	87.8	106.6	12.3	1	7.7%	5	38.5%	10.80	8.02
2022	MIL Brewers	MLB	73	85.0	111.8	19.6	9	12.3%	17	23.3%	6.08	4.20
2023	TBR	AAA	109	87.4	110.8	13.0			36	33.0%	5.23
2023	TBR Rays	MLB	50	87.5	107.3	14.3	5	10.0%	23	46.0%	5.87	5.34
2024	SEA	AAA	145	85.4	111.8	19.7			35	24.1%	3.52
Total	- - -	MLB	165	87.0	111.8	18.6	19	11.5%	58	35.2%	6.75

Trevor Kelley

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BAL	CHW	ATH
BOS	CLE	HOU
NYY	DET	LAA
TBR	KCR	SEA
TOR	MIN	TEX

ATL	CHC	ARI
MIA	CIN	COL
NYM	MIL	LAD
PHI	PIT	SDP
WSN	STL	SFG