Pitching

Dayeison Arias

Free Agent (AA)

P

Age: 28

Bats/Throws: R/R

6'1" / 160

DOB: 1/7/1997

(28 years, 7 days)

P

Stats

Preseason ProjectionsMinor LeaguesSpring Training

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	divider	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	divider	vFA vFA - Fourseam Fastball velocity (Pitch Info)	divider	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
2017	SEA	R	20	2	3	8	25	0	29.0		11.17	2.79	0.31	.323	65.5%	50.0%	4.8%				3.41		2.57	2.45
2018	SEA	A-	21	2	0	1	19	0	32.0		12.66	2.81	1.41	.215	100.0%	29.4%	15.6%				1.69		3.90	2.88
2019	SEA	A	22	2	1	13	39	0	47.2		13.22	2.45	0.57	.227	80.5%	26.9%	6.4%				1.32		2.25	2.41
2019	SEA	A+	22	2	0	0	5	0	7.1		12.27	2.45	0.00	.214	80.0%	28.6%	0.0%				0.00		1.75	3.14
2019	SEA	MiLB	22	4	1	13	44	0	55.0		13.09	2.45	0.49	.225	80.4%	27.1%	5.4%				1.15		2.18	2.50
2020	SEA Mariners (ST)	ST	23	0	0	0	2	0	1.1		20.25	0.00	0.00	.750	66.7%	50.0%	0.0%				6.75		-0.91	0.47
2021	SEA	A+	24	1	0	1	16	1	24.0		13.50	3.00	1.50	.229	87.6%	35.3%	20.0%				2.63		4.40	3.54
2021	SEA	AA	24	2	0	3	16	0	20.0		14.85	5.40	0.90	.341	87.8%	28.6%	8.0%				2.70		3.43	4.34
2021	SEA	MiLB	24	3	0	4	32	1	44.0		14.11	4.09	1.23	.281	87.7%	32.3%	13.3%				2.66		3.96	3.90
2022	SEA	AA	25	0	1	1	33	1	32.2		11.57	4.68	0.83	.250	81.5%	25.3%	6.5%				3.03		4.22	5.47
2023	SEA	AA	26	0	1	0	41	0	50.2		10.84	6.57	0.53	.298	71.8%	30.6%	5.2%				4.62		4.78	5.79
2023	SEA Mariners (ST)	ST	26	0	0	0	2	0	1.1		6.75	13.50	0.00	.000	100.0%	0.0%	0.0%				0.00		6.81	9.48
2025	Steamer Steamer	PROJ	28	0	0	0	1	0	1.0		7.99	4.29	1.39	.286	71.4%	35.0%					4.80		5.00	5.02	0.0

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	divider	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	divider	vFA vFA - Fourseam Fastball velocity (Pitch Info)	divider	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
2017	SEA	R	20	2	3	8	25	0	29.0		11.17	2.79	0.31	.323	65.5%	50.0%	4.8%				3.41		2.57	2.45
2018	SEA	A-	21	2	0	1	19	0	32.0		12.66	2.81	1.41	.215	100.0%	29.4%	15.6%				1.69		3.90	2.88
2019	SEA	A	22	2	1	13	39	0	47.2		13.22	2.45	0.57	.227	80.5%	26.9%	6.4%				1.32		2.25	2.41
2019	SEA	A+	22	2	0	0	5	0	7.1		12.27	2.45	0.00	.214	80.0%	28.6%	0.0%				0.00		1.75	3.14
2019	SEA	MiLB	22	4	1	13	44	0	55.0		13.09	2.45	0.49	.225	80.4%	27.1%	5.4%				1.15		2.18	2.50
2020	SEA Mariners (ST)	ST	23	0	0	0	2	0	1.1		20.25	0.00	0.00	.750	66.7%	50.0%	0.0%				6.75		-0.91	0.47
2021	SEA	A+	24	1	0	1	16	1	24.0		13.50	3.00	1.50	.229	87.6%	35.3%	20.0%				2.63		4.40	3.54
2021	SEA	AA	24	2	0	3	16	0	20.0		14.85	5.40	0.90	.341	87.8%	28.6%	8.0%				2.70		3.43	4.34
2021	SEA	MiLB	24	3	0	4	32	1	44.0		14.11	4.09	1.23	.281	87.7%	32.3%	13.3%				2.66		3.96	3.90
2022	SEA	AA	25	0	1	1	33	1	32.2		11.57	4.68	0.83	.250	81.5%	25.3%	6.5%				3.03		4.22	5.47
2023	SEA	AA	26	0	1	0	41	0	50.2		10.84	6.57	0.53	.298	71.8%	30.6%	5.2%				4.62		4.78	5.79
2023	SEA Mariners (ST)	ST	26	0	0	0	2	0	1.1		6.75	13.50	0.00	.000	100.0%	0.0%	0.0%				0.00		6.81	9.48
2025	Steamer Steamer	PROJ	28	0	0	0	1	0	1.0		7.99	4.29	1.39	.286	71.4%	35.0%					4.80		5.00	5.02	0.0

Preseason ProjectionsMinor LeaguesSpring Training

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	CG CG - Complete Games	ShO ShO - Shoutouts	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
2017	SEA	R	2	3	3.41	25	0		0	0	8	0	1	29.0	115	22	13	11	1	9	2	4	5	1	36
2018	SEA	A-	2	0	1.69	19	0		0	0	1	5	0	32.0	127	19	6	6	5	10	0	2	2	2	45
2019	SEA	A	2	1	1.32	39	0		0	0	13	2	1	47.2	184	25	11	7	3	13	0	1	2	1	70
2019	SEA	A+	2	0	0.00	5	0		0	0	0	0	0	7.1	26	3	1	0	0	2	0	0	0	0	10
2019	SEA	MiLB	4	1	1.15	44	0		0	0	13	2	1	55.0	210	28	12	7	3	15	0	1	2	1	80
2020	SEA Mariners (ST)	ST	0	0	6.75	2	0		0	0	0	0	1	1.1	7	3	1	1	0	0	0	0	0	0	3
2021	SEA	A+	1	0	2.63	16	1		0	0	1	2	0	24.0	98	15	8	7	4	8	0	2	0	0	36
2021	SEA	AA	2	0	2.70	16	0		0	0	3	0	0	20.0	89	16	6	6	2	12	0	1	2	0	33
2021	SEA	MiLB	3	0	2.66	32	1		0	0	4	2	0	44.0	187	31	14	13	6	20	0	3	2	0	69
2022	SEA	AA	0	1	3.03	33	1		0	0	1	3	0	32.2	137	21	11	11	3	17	0	3	2	0	42
2023	SEA	AA	0	1	4.62	41	0		0	0	0	4	2	50.2	231	39	27	26	3	37	0	9	5	0	61
2023	SEA Mariners (ST)	ST	0	0	0.00	2	0		0	0	0	0	0	1.1	6	0	0	0	0	2	0	0	1	0	1
2025	Steamer Steamer	PROJ	0	0	4.80	1	0	0	0	0	0	0		1.0	4	1	1	1	0	0		0			1

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	CG CG - Complete Games	ShO ShO - Shoutouts	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
2017	SEA	R	2	3	3.41	25	0		0	0	8	0	1	29.0	115	22	13	11	1	9	2	4	5	1	36
2018	SEA	A-	2	0	1.69	19	0		0	0	1	5	0	32.0	127	19	6	6	5	10	0	2	2	2	45
2019	SEA	A	2	1	1.32	39	0		0	0	13	2	1	47.2	184	25	11	7	3	13	0	1	2	1	70
2019	SEA	A+	2	0	0.00	5	0		0	0	0	0	0	7.1	26	3	1	0	0	2	0	0	0	0	10
2019	SEA	MiLB	4	1	1.15	44	0		0	0	13	2	1	55.0	210	28	12	7	3	15	0	1	2	1	80
2020	SEA Mariners (ST)	ST	0	0	6.75	2	0		0	0	0	0	1	1.1	7	3	1	1	0	0	0	0	0	0	3
2021	SEA	A+	1	0	2.63	16	1		0	0	1	2	0	24.0	98	15	8	7	4	8	0	2	0	0	36
2021	SEA	AA	2	0	2.70	16	0		0	0	3	0	0	20.0	89	16	6	6	2	12	0	1	2	0	33
2021	SEA	MiLB	3	0	2.66	32	1		0	0	4	2	0	44.0	187	31	14	13	6	20	0	3	2	0	69
2022	SEA	AA	0	1	3.03	33	1		0	0	1	3	0	32.2	137	21	11	11	3	17	0	3	2	0	42
2023	SEA	AA	0	1	4.62	41	0		0	0	0	4	2	50.2	231	39	27	26	3	37	0	9	5	0	61
2023	SEA Mariners (ST)	ST	0	0	0.00	2	0		0	0	0	0	0	1.1	6	0	0	0	0	2	0	0	1	0	1
2025	Steamer Steamer	PROJ	0	0	4.80	1	0	0	0	0	0	0		1.0	4	1	1	1	0	0		0			1

Preseason ProjectionsMinor LeaguesSpring TrainingAverages

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)	divider	K% K% - Strikeout Percentage (SO/TBF)	BB% BB% - Walk Percentage (BB/TBF)	K-BB% K-BB% - The difference between strikeout percentage and walk percentage	divider	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	divider	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	divider	FIP FIP - Fielder Independent Pitching on an ERA scale
2017	SEA	R	11.17	2.79	4.00	0.31		31.3%	7.8%	23.5%		.216	1.07	.323	65.5%					2.57
2018	SEA	A-	12.66	2.81	4.50	1.41		35.4%	7.9%	27.6%		.165	0.91	.215	100.0%					3.90
2019	SEA	A	13.22	2.45	5.38	0.57		38.0%	7.1%	31.0%		.147	0.80	.227	80.5%					2.25
2019	SEA	A+	12.27	2.45	5.00	0.00		38.5%	7.7%	30.8%		.125	0.68	.214	80.0%					1.75
2019	SEA	MiLB	13.09	2.45	5.33	0.49		38.1%	7.1%	31.0%		.144	0.78	.225	80.4%					2.18
2020	SEA Mariners (ST)	ST	20.25	0.00	3.00	0.00		42.9%	0.0%	42.9%		.429	2.25	.750	66.7%					-0.91
2021	SEA	A+	13.50	3.00	4.50	1.50		36.7%	8.2%	28.6%		.170	0.96	.229	87.6%					4.40
2021	SEA	AA	14.85	5.40	2.75	0.90		37.1%	13.5%	23.6%		.211	1.40	.341	87.8%					3.43
2021	SEA	MiLB	14.11	4.09	3.45	1.23		36.9%	10.7%	26.2%		.189	1.16	.281	87.7%					3.96
2022	SEA	AA	11.57	4.68	2.47	0.83		30.7%	12.4%	18.2%		.179	1.16	.250	81.5%					4.22
2023	SEA	AA	10.84	6.57	1.65	0.53		26.4%	16.0%	10.4%		.211	1.50	.298	71.8%					4.78
2023	SEA Mariners (ST)	ST	6.75	13.50	0.50	0.00		16.7%	33.3%	-16.7%		.000	1.50	.000	100.0%					6.81
2025	Steamer Steamer	PROJ	7.99	4.29	1.86	1.39		20.0%	10.8%	9.3%		.249	1.45	.286	71.4%					5.00

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)	divider	K% K% - Strikeout Percentage (SO/TBF)	BB% BB% - Walk Percentage (BB/TBF)	K-BB% K-BB% - The difference between strikeout percentage and walk percentage	divider	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	divider	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	divider	FIP FIP - Fielder Independent Pitching on an ERA scale
2017	SEA	R	11.17	2.79	4.00	0.31		31.3%	7.8%	23.5%		.216	1.07	.323	65.5%					2.57
2018	SEA	A-	12.66	2.81	4.50	1.41		35.4%	7.9%	27.6%		.165	0.91	.215	100.0%					3.90
2019	SEA	A	13.22	2.45	5.38	0.57		38.0%	7.1%	31.0%		.147	0.80	.227	80.5%					2.25
2019	SEA	A+	12.27	2.45	5.00	0.00		38.5%	7.7%	30.8%		.125	0.68	.214	80.0%					1.75
2019	SEA	MiLB	13.09	2.45	5.33	0.49		38.1%	7.1%	31.0%		.144	0.78	.225	80.4%					2.18
2020	SEA Mariners (ST)	ST	20.25	0.00	3.00	0.00		42.9%	0.0%	42.9%		.429	2.25	.750	66.7%					-0.91
2021	SEA	A+	13.50	3.00	4.50	1.50		36.7%	8.2%	28.6%		.170	0.96	.229	87.6%					4.40
2021	SEA	AA	14.85	5.40	2.75	0.90		37.1%	13.5%	23.6%		.211	1.40	.341	87.8%					3.43
2021	SEA	MiLB	14.11	4.09	3.45	1.23		36.9%	10.7%	26.2%		.189	1.16	.281	87.7%					3.96
2022	SEA	AA	11.57	4.68	2.47	0.83		30.7%	12.4%	18.2%		.179	1.16	.250	81.5%					4.22
2023	SEA	AA	10.84	6.57	1.65	0.53		26.4%	16.0%	10.4%		.211	1.50	.298	71.8%					4.78
2023	SEA Mariners (ST)	ST	6.75	13.50	0.50	0.00		16.7%	33.3%	-16.7%		.000	1.50	.000	100.0%					6.81
2025	Steamer Steamer	PROJ	7.99	4.29	1.86	1.39		20.0%	10.8%	9.3%		.249	1.45	.286	71.4%					5.00