Pitching

Marlin Willis

Kansas City Royals (AA)

Age: 27

Bats/Throws: L/L

6'4" / 190

DOB: 6/5/1998

(27 years, 3 months, 9 days)

Stats

Preseason ProjectionsIn-Season ProjectionsMinor Leagues

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	ERA ERA - Earned Run Average ((ER*9)/IP)	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	KCR	R	19	1	1	0	8	3	21.1	5.48	2.11	0.00	.301	57.1%	63.4%	0.0%	3.80	3.83	4.36
2018	KCR	R	20	3	5	0	11	3	38.2	7.45	7.91	1.16	.358	61.6%	42.4%	12.8%	8.38	7.43	6.91
2019	KCR	R	21	1	0	0	1	0	2.0	0.00	0.00	0.00	.000	100.0%	80.0%	0.0%	0.00	4.05	4.77
2019	KCR	R	21	2	1	0	11	5	47.2	9.25	5.29	0.76	.261	81.4%	48.0%	8.2%	2.83	4.83	4.94
2019	KCR	MiLB	21	3	1	0	12	5	49.2	8.88	5.07	0.72	.250	81.4%	49.2%	8.0%	2.72	4.80	4.93
2021	KCR	CPX	23	0	0	0	1	0	1.0	18.00	0.00	0.00	.500	100.0%	100.0%	0.0%	0.00	0.48	0.48
2021	KCR	CPX	23	0	0	0	2	0	3.2	7.36	2.45	0.00	.533	40.0%	42.9%	0.0%	12.27	4.48	6.19
2021	KCR	A	23	0	1	1	23	0	36.1	14.12	9.41	0.25	.346	63.7%	43.4%	3.4%	5.70	4.83	5.55
2021	KCR	MiLB	23	0	1	1	26	0	41.0	13.61	8.56	0.22	.379	61.3%	44.6%	2.9%	6.15	4.69	5.48
2022	KCR	A	24	3	1	0	27	0	42.0	13.50	8.36	0.64	.366	70.2%	40.4%	7.7%	4.93	5.13	5.31
2023	KCR	A+	25	0	0	0	29	0	31.0	13.65	12.77	0.00	.267	57.4%	31.7%	0.0%	7.84	5.50	6.57
2025	Steamer	PROJ	27	0	0	0	1	0	1.0	6.57	7.61	1.24	.299	69.6%	38.8%		6.03	6.24	6.39	0.0
2025	OOPSY	PROJ	27	0	0	0	1	0	1.3	8.08	9.05	1.34	.298	69.7%			6.25	6.55		0.0
2025	KCR	CPX	27	0	0	0	4	0	6.1	18.47	2.84	0.00	.500	85.7%	40.0%	0.0%	1.42	1.34	1.91
2025	KCR	A+	27	2	0	0	9	0	13.1	5.40	2.70	0.00	.162	72.7%	37.8%	0.0%	1.35	3.33	4.58
2025	KCR	AA	27	2	1	0	13	0	18.2	9.64	8.20	0.96	.352	56.5%	30.2%	9.5%	8.68	5.74	5.75
2025	KCR	MiLB	27	4	1	0	26	0	38.1	9.63	5.40	0.47	.297	63.4%	34.0%	4.8%	4.93	4.18	4.71
2025	Steamer	ROS		0	0	0	1	0	1.0	7.05	6.16	1.29	.297	70.4%			5.49	5.68		0.0
2025	OOPSY	ROS	27	0	0	0	1	0	1.3	6.98	6.24	1.46	.296	67.2%			5.97	5.98		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	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	ERA ERA - Earned Run Average ((ER*9)/IP)	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	KCR	R	19	1	1	0	8	3	21.1	5.48	2.11	0.00	.301	57.1%	63.4%	0.0%	3.80	3.83	4.36
2018	KCR	R	20	3	5	0	11	3	38.2	7.45	7.91	1.16	.358	61.6%	42.4%	12.8%	8.38	7.43	6.91
2019	KCR	R	21	1	0	0	1	0	2.0	0.00	0.00	0.00	.000	100.0%	80.0%	0.0%	0.00	4.05	4.77
2019	KCR	R	21	2	1	0	11	5	47.2	9.25	5.29	0.76	.261	81.4%	48.0%	8.2%	2.83	4.83	4.94
2019	KCR	MiLB	21	3	1	0	12	5	49.2	8.88	5.07	0.72	.250	81.4%	49.2%	8.0%	2.72	4.80	4.93
2021	KCR	CPX	23	0	0	0	1	0	1.0	18.00	0.00	0.00	.500	100.0%	100.0%	0.0%	0.00	0.48	0.48
2021	KCR	CPX	23	0	0	0	2	0	3.2	7.36	2.45	0.00	.533	40.0%	42.9%	0.0%	12.27	4.48	6.19
2021	KCR	A	23	0	1	1	23	0	36.1	14.12	9.41	0.25	.346	63.7%	43.4%	3.4%	5.70	4.83	5.55
2021	KCR	MiLB	23	0	1	1	26	0	41.0	13.61	8.56	0.22	.379	61.3%	44.6%	2.9%	6.15	4.69	5.48
2022	KCR	A	24	3	1	0	27	0	42.0	13.50	8.36	0.64	.366	70.2%	40.4%	7.7%	4.93	5.13	5.31
2023	KCR	A+	25	0	0	0	29	0	31.0	13.65	12.77	0.00	.267	57.4%	31.7%	0.0%	7.84	5.50	6.57
2025	Steamer	PROJ	27	0	0	0	1	0	1.0	6.57	7.61	1.24	.299	69.6%	38.8%		6.03	6.24	6.39	0.0
2025	OOPSY	PROJ	27	0	0	0	1	0	1.3	8.08	9.05	1.34	.298	69.7%			6.25	6.55		0.0
2025	KCR	CPX	27	0	0	0	4	0	6.1	18.47	2.84	0.00	.500	85.7%	40.0%	0.0%	1.42	1.34	1.91
2025	KCR	A+	27	2	0	0	9	0	13.1	5.40	2.70	0.00	.162	72.7%	37.8%	0.0%	1.35	3.33	4.58
2025	KCR	AA	27	2	1	0	13	0	18.2	9.64	8.20	0.96	.352	56.5%	30.2%	9.5%	8.68	5.74	5.75
2025	KCR	MiLB	27	4	1	0	26	0	38.1	9.63	5.40	0.47	.297	63.4%	34.0%	4.8%	4.93	4.18	4.71
2025	Steamer	ROS		0	0	0	1	0	1.0	7.05	6.16	1.29	.297	70.4%			5.49	5.68		0.0
2025	OOPSY	ROS	27	0	0	0	1	0	1.3	6.98	6.24	1.46	.296	67.2%			5.97	5.98		0.0

Preseason ProjectionsIn-Season ProjectionsMinor Leagues

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	KCR	R	1	1	3.80	8	3		0	0	0	1	0	21.1	92	22	12	9	0	5	0	1	7	1	13
2018	KCR	R	3	5	8.38	11	3		0	0	0	1	0	38.2	204	49	40	36	5	34	0	10	7	2	32
2019	KCR	R	1	0	0.00	1	0		0	0	0	0	0	2.0	5	0	0	0	0	0	0	0	1	0	0
2019	KCR	R	2	1	2.83	11	5		0	0	0	0	0	47.2	204	35	17	15	4	28	0	4	5	3	49
2019	KCR	MiLB	3	1	2.72	12	5		0	0	0	0	0	49.2	209	35	17	15	4	28	0	4	6	3	49
2021	KCR	CPX	0	0	0.00	1	0		0	0	0	0	0	1.0	4	1	0	0	0	0	0	0	0	0	2
2021	KCR	CPX	0	0	12.27	2	0		0	0	0	0	0	3.2	20	8	6	5	0	1	0	1	2	1	3
2021	KCR	A	0	1	5.70	23	0		0	0	1	1	0	36.1	180	28	27	23	1	38	1	6	11	4	57
2021	KCR	MiLB	0	1	6.15	26	0		0	0	1	1	0	41.0	204	37	33	28	1	39	1	7	13	5	62
2022	KCR	A	3	1	4.93	27	0		0	0	0	3	0	42.0	206	37	28	23	3	39	0	8	9	6	63
2023	KCR	A+	0	0	7.84	29	0		0	0	0	3	0	31.0	159	16	29	27	0	44	0	8	13	0	47
2025	Steamer	PROJ	0	0	6.03	1	0	0	0	0	0	0		1.0	5	1	1	1	0	1	0	0			1
2025	OOPSY	PROJ	0	0	6.25	1	0	0			0	0		1.3	7	1	1	1	0	1	0	0			1
2025	KCR	CPX	0	0	1.42	4	0		0	0	0	0	0	6.1	25	5	1	1	0	2	1	0	1	0	13
2025	KCR	A+	2	0	1.35	9	0		0	0	0	2	0	13.1	50	6	3	2	0	4	0	1	1	0	8
2025	KCR	AA	2	1	8.68	13	0		0	0	0	1	2	18.2	95	21	19	18	2	17	0	2	6	1	20
2025	KCR	MiLB	4	1	4.93	26	0		0	0	0	3	2	38.1	170	32	23	21	2	23	1	3	8	1	41
2025	Steamer	ROS	0	0	5.49	1	0	0	0	0	0	0		1.0	5	1	1	1	0	1		0			1
2025	OOPSY	ROS	0	0	5.97	1	0	0			0	0		1.3	6	1	1	1	0	1	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	KCR	R	1	1	3.80	8	3		0	0	0	1	0	21.1	92	22	12	9	0	5	0	1	7	1	13
2018	KCR	R	3	5	8.38	11	3		0	0	0	1	0	38.2	204	49	40	36	5	34	0	10	7	2	32
2019	KCR	R	1	0	0.00	1	0		0	0	0	0	0	2.0	5	0	0	0	0	0	0	0	1	0	0
2019	KCR	R	2	1	2.83	11	5		0	0	0	0	0	47.2	204	35	17	15	4	28	0	4	5	3	49
2019	KCR	MiLB	3	1	2.72	12	5		0	0	0	0	0	49.2	209	35	17	15	4	28	0	4	6	3	49
2021	KCR	CPX	0	0	0.00	1	0		0	0	0	0	0	1.0	4	1	0	0	0	0	0	0	0	0	2
2021	KCR	CPX	0	0	12.27	2	0		0	0	0	0	0	3.2	20	8	6	5	0	1	0	1	2	1	3
2021	KCR	A	0	1	5.70	23	0		0	0	1	1	0	36.1	180	28	27	23	1	38	1	6	11	4	57
2021	KCR	MiLB	0	1	6.15	26	0		0	0	1	1	0	41.0	204	37	33	28	1	39	1	7	13	5	62
2022	KCR	A	3	1	4.93	27	0		0	0	0	3	0	42.0	206	37	28	23	3	39	0	8	9	6	63
2023	KCR	A+	0	0	7.84	29	0		0	0	0	3	0	31.0	159	16	29	27	0	44	0	8	13	0	47
2025	Steamer	PROJ	0	0	6.03	1	0	0	0	0	0	0		1.0	5	1	1	1	0	1	0	0			1
2025	OOPSY	PROJ	0	0	6.25	1	0	0			0	0		1.3	7	1	1	1	0	1	0	0			1
2025	KCR	CPX	0	0	1.42	4	0		0	0	0	0	0	6.1	25	5	1	1	0	2	1	0	1	0	13
2025	KCR	A+	2	0	1.35	9	0		0	0	0	2	0	13.1	50	6	3	2	0	4	0	1	1	0	8
2025	KCR	AA	2	1	8.68	13	0		0	0	0	1	2	18.2	95	21	19	18	2	17	0	2	6	1	20
2025	KCR	MiLB	4	1	4.93	26	0		0	0	0	3	2	38.1	170	32	23	21	2	23	1	3	8	1	41
2025	Steamer	ROS	0	0	5.49	1	0	0	0	0	0	0		1.0	5	1	1	1	0	1		0			1
2025	OOPSY	ROS	0	0	5.97	1	0	0			0	0		1.3	6	1	1	1	0	1	0	0			1

Preseason ProjectionsIn-Season ProjectionsMinor LeaguesAverages

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
2017	KCR	R	5.48	2.11	2.60	0.00	14.1%	5.4%	8.7%	.256	1.27	.301	57.1%	83	86	3.83
2018	KCR	R	7.45	7.91	0.94	1.16	15.7%	16.7%	-1.0%	.306	2.15	.358	61.6%	180	151	7.43
2019	KCR	R	0.00	0.00	0.00	0.00	0.0%	0.0%	0.0%	.000	0.00	.000	100.0%	0	90	4.05
2019	KCR	R	9.25	5.29	1.75	0.76	24.0%	13.7%	10.3%	.203	1.32	.261	81.4%	67	109	4.83
2019	KCR	MiLB	8.88	5.07	1.75	0.72	23.4%	13.4%	10.0%	.198	1.27	.250	81.4%	64	108	4.80
2021	KCR	CPX	18.00	0.00	2.00	0.00	50.0%	0.0%	50.0%	.250	1.00	.500	100.0%	0	9	0.48
2021	KCR	CPX	7.36	2.45	3.00	0.00	15.0%	5.0%	10.0%	.444	2.45	.533	40.0%	236	88	4.48
2021	KCR	A	14.12	9.41	1.50	0.25	31.7%	21.1%	10.6%	.206	1.82	.346	63.7%	117	101	4.83
2021	KCR	MiLB	13.61	8.56	1.59	0.22	30.4%	19.1%	11.3%	.234	1.85	.379	61.3%	125	98	4.69
2022	KCR	A	13.50	8.36	1.62	0.64	30.6%	18.9%	11.7%	.233	1.81	.366	70.2%	106	112	5.13
2023	KCR	A+	13.65	12.77	1.07	0.00	29.6%	27.7%	1.9%	.150	1.94	.267	57.4%	192	133	5.50
2025	Steamer	PROJ	6.57	7.61	0.86	1.24	15.1%	17.5%	-2.4%	.268	1.90	.299	69.6%			6.24
2025	OOPSY	PROJ	8.08	9.05	0.89	1.34	17.8%	20.0%	-2.1%	.257	2.02	.298	69.7%			6.55
2025	KCR	CPX	18.47	2.84	6.50	0.00	52.0%	8.0%	44.0%	.217	1.11	.500	85.7%	28	26	1.34
2025	KCR	A+	5.40	2.70	2.00	0.00	16.0%	8.0%	8.0%	.133	0.75	.162	72.7%	34	82	3.33
2025	KCR	AA	9.64	8.20	1.18	0.96	21.1%	17.9%	3.2%	.276	2.04	.352	56.5%	204	137	5.74
2025	KCR	MiLB	9.63	5.40	1.78	0.47	24.1%	13.5%	10.6%	.222	1.43	.297	63.4%	116	99	4.18
2025	Steamer	ROS	7.05	6.16	1.14	1.29	16.8%	14.7%	2.1%	.263	1.72	.297	70.4%			5.68
2025	OOPSY	ROS	6.98	6.24	1.12	1.46	16.5%	14.8%	1.7%	.267	1.75	.296	67.2%			5.98

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
2017	KCR	R	5.48	2.11	2.60	0.00	14.1%	5.4%	8.7%	.256	1.27	.301	57.1%	83	86	3.83
2018	KCR	R	7.45	7.91	0.94	1.16	15.7%	16.7%	-1.0%	.306	2.15	.358	61.6%	180	151	7.43
2019	KCR	R	0.00	0.00	0.00	0.00	0.0%	0.0%	0.0%	.000	0.00	.000	100.0%	0	90	4.05
2019	KCR	R	9.25	5.29	1.75	0.76	24.0%	13.7%	10.3%	.203	1.32	.261	81.4%	67	109	4.83
2019	KCR	MiLB	8.88	5.07	1.75	0.72	23.4%	13.4%	10.0%	.198	1.27	.250	81.4%	64	108	4.80
2021	KCR	CPX	18.00	0.00	2.00	0.00	50.0%	0.0%	50.0%	.250	1.00	.500	100.0%	0	9	0.48
2021	KCR	CPX	7.36	2.45	3.00	0.00	15.0%	5.0%	10.0%	.444	2.45	.533	40.0%	236	88	4.48
2021	KCR	A	14.12	9.41	1.50	0.25	31.7%	21.1%	10.6%	.206	1.82	.346	63.7%	117	101	4.83
2021	KCR	MiLB	13.61	8.56	1.59	0.22	30.4%	19.1%	11.3%	.234	1.85	.379	61.3%	125	98	4.69
2022	KCR	A	13.50	8.36	1.62	0.64	30.6%	18.9%	11.7%	.233	1.81	.366	70.2%	106	112	5.13
2023	KCR	A+	13.65	12.77	1.07	0.00	29.6%	27.7%	1.9%	.150	1.94	.267	57.4%	192	133	5.50
2025	Steamer	PROJ	6.57	7.61	0.86	1.24	15.1%	17.5%	-2.4%	.268	1.90	.299	69.6%			6.24
2025	OOPSY	PROJ	8.08	9.05	0.89	1.34	17.8%	20.0%	-2.1%	.257	2.02	.298	69.7%			6.55
2025	KCR	CPX	18.47	2.84	6.50	0.00	52.0%	8.0%	44.0%	.217	1.11	.500	85.7%	28	26	1.34
2025	KCR	A+	5.40	2.70	2.00	0.00	16.0%	8.0%	8.0%	.133	0.75	.162	72.7%	34	82	3.33
2025	KCR	AA	9.64	8.20	1.18	0.96	21.1%	17.9%	3.2%	.276	2.04	.352	56.5%	204	137	5.74
2025	KCR	MiLB	9.63	5.40	1.78	0.47	24.1%	13.5%	10.6%	.222	1.43	.297	63.4%	116	99	4.18
2025	Steamer	ROS	7.05	6.16	1.14	1.29	16.8%	14.7%	2.1%	.263	1.72	.297	70.4%			5.68
2025	OOPSY	ROS	6.98	6.24	1.12	1.46	16.5%	14.8%	1.7%	.267	1.75	.296	67.2%			5.98

Marlin Willis

Stats

Dashboard

Standard

Advanced

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