single season highest k/9 with a minimum of 50 ip

Aroldis Chapman has the best K/9 with 50.0+ innings pitched in a season, with 17.67 per nine innings in 2014.

Interpreted as:

single season highest k/9 by a player with a minimum of 50 ip

	NAME	K/9	IP	SEASON	TM	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	ERA-	FIP	FIP-	H/9	PRAA
1	Aroldis Chapman A. Chapman	17.67	54.0	2014	CIN	54	0	3	.000	0	2.00	106	0	0	36	21	12	12	1	24	2	44	0	202	4	4.00	4.42	0.17	52.5	11.9	0.83	.290	2.00	54	0.89	23	3.50	17
2	Edwin Díaz E. Díaz	17.13	62.0	2022	NYM	61	3	1	.750	0	1.31	118	0	0	32	34	9	9	3	18	2	49	1	235	2	2.61	6.56	0.44	50.2	7.7	0.84	.330	1.31	34	0.90	23	4.94	21.2
3	Craig Kimbrel C. Kimbrel	16.66	62.2	2012	ATL	63	3	1	.750	0	1.01	116	0	0	42	27	7	7	3	14	2	56	0	231	5	2.01	8.29	0.43	50.2	6.1	0.65	.250	1.01	26	0.77	20	3.88	21.6
4	Craig Kimbrel C. Kimbrel	16.43	69.0	2017	BOS	67	5	0	1.000	0	1.43	126	0	0	35	33	11	11	6	14	4	51	0	254	5	1.83	9.00	0.78	49.6	5.5	0.68	.260	1.43	31	1.41	32	4.30	22.7
5	Josh Hader J. Hader	16.41	75.2	2019	MIL	61	3	5	.375	0	2.62	138	0	0	37	41	22	24	15	20	4	46	2	289	0	2.38	6.90	1.78	47.8	6.9	0.81	.232	2.85	59	3.08	70	4.88	11.3
6	Aroldis Chapman A. Chapman	16.31	51.1	2018	NYY	55	3	0	1.000	0	2.45	93	0	0	32	24	14	15	2	30	5	43	0	212	9	5.26	3.10	0.35	43.9	14.2	1.05	.268	2.63	58	2.08	48	4.21	12.5
7	Félix Bautista F. Bautista	16.23	61.0	2023	BAL	56	8	2	.800	0	1.48	110	0	0	33	30	10	14	4	26	2	46	0	237	7	3.84	4.23	0.59	46.4	11.0	0.92	.274	2.07	35	1.87	45	4.43	16
8	Kenley Jansen K. Jansen	16.10	53.2	2011	LAD	51	2	1	.667	0	2.85	96	0	0	5	30	17	17	3	26	2	13	0	218	0	4.36	3.69	0.50	44.0	11.9	1.04	.297	2.85	79	1.73	46	5.03	12.5
9	Carlos Marmol C. Marmol	15.99	77.2	2010	CHC	77	2	3	.400	0	2.55	138	0	0	38	40	22	23	1	52	8	70	4	332	2	6.03	2.65	0.12	41.6	15.7	1.18	.293	2.67	62	2.00	50	4.64	17.4
10	Aroldis Chapman A. Chapman	15.89	58.1	2023	TOT	61	6	4	.600	0	3.09	103	0	0	6	37	20	24	4	36	1	18	2	249	9	5.55	2.86	0.62	41.4	14.5	1.25	.314	3.70	71	2.51	58	5.71	11.7
11	Aroldis Chapman A. Chapman	15.83	63.2	2013	CIN	68	4	5	.444	0	2.54	112	0	0	38	37	18	18	7	29	3	55	0	258	6	4.10	3.86	0.99	43.4	11.2	1.04	.280	2.54	67	2.46	64	5.23	9.8
12	Josh Hader J. Hader	15.82	81.1	2018	MIL	55	6	1	.857	0	2.43	143	0	0	12	36	22	23	9	30	1	14	0	306	0	3.32	4.77	1.00	46.7	9.8	0.81	.220	2.55	60	2.22	55	3.98	16.6
13	Aroldis Chapman A. Chapman	15.74	66.1	2015	CIN	65	4	4	.500	0	1.63	116	0	0	33	43	12	13	3	33	5	54	1	278	7	4.48	3.52	0.41	41.7	11.9	1.15	.331	1.76	41	1.94	49	5.83	14.6
14	Josh Hader J. Hader	15.65	58.2	2021	MIL	60	4	2	.667	0	1.23	102	0	0	34	25	8	8	3	24	2	42	0	224	3	3.68	4.25	0.46	45.5	10.7	0.84	.237	1.23	29	1.68	39	3.84	16.8
15	Dellin Betances D. Betances	15.53	73.0	2016	NYY	73	3	6	.333	0	3.08	126	0	0	12	54	25	31	5	28	1	20	0	299	6	3.45	4.50	0.62	42.1	9.4	1.12	.353	3.82	73	1.77	40	6.66	20.7
16	Dellin Betances D. Betances	15.52	66.2	2018	NYY	66	4	6	.400	0	2.70	115	0	0	4	44	20	22	7	26	5	15	2	272	4	3.51	4.42	0.95	42.3	9.6	1.05	.311	2.97	63	2.47	57	5.94	13.5
17	Aroldis Chapman A. Chapman	15.50	56.1	2021	NYY	61	6	4	.600	0	3.36	97	0	0	30	36	21	23	9	38	3	46	2	243	7	6.07	2.55	1.44	39.9	15.6	1.31	.281	3.67	79	3.98	92	5.75	2.1
18	Matt Barnes M. Barnes	15.39	64.1	2019	BOS	70	5	4	.556	0	3.78	110	0	0	4	51	27	29	8	38	2	14	2	285	13	5.32	2.89	1.12	38.6	13.3	1.38	.339	4.06	78	3.26	72	7.13	9
19	Edwin Díaz E. Díaz	15.36	58.0	2019	NYM	66	2	7	.222	0	5.59	99	0	0	26	58	36	36	15	22	4	48	3	254	3	3.41	4.50	2.33	39.0	8.7	1.38	.377	5.59	137	4.50	105	9.00	-1.4
20	Edwin Díaz E. Díaz	15.33	51.2	2016	SEA	49	0	4	.000	0	2.79	88	0	0	18	45	16	16	5	15	3	23	2	217	6	2.61	5.87	0.87	40.6	6.9	1.16	.377	2.79	70	2.04	49	7.84	12.4
21	Aroldis Chapman A. Chapman	15.32	71.2	2012	CIN	68	5	5	.500	0	1.51	122	0	0	38	35	12	13	4	23	4	52	0	276	4	2.89	5.30	0.50	44.2	8.3	0.81	.252	1.63	38	1.54	38	4.40	19.3
22	Nick Anderson N. Anderson	15.23	65.0	2019	TOT	68	5	4	.556	0	3.32	110	0	0	1	52	24	24	8	18	2	3	4	264	4	2.49	6.11	1.11	41.7	6.8	1.08	.349	3.32	79	2.34	54	7.20	14.7
23	Edwin Díaz E. Díaz	15.22	73.1	2018	SEA	73	0	4	.000	0	1.96	124	0	0	57	41	16	17	5	17	6	65	0	280	3	2.09	7.29	0.61	44.3	6.1	0.79	.281	2.09	48	1.60	38	5.03	21.3
24	Mason Miller M. Miller	15.18	61.2	2025	TOT	60	1	2	.333	0	2.63	104	0	0	22	28	18	19	5	28	1	37	2	234	3	4.09	3.71	0.73	44.4	12.0	0.91	.240	2.77	63	2.22	53	4.09	13.5
25	Craig Kimbrel C. Kimbrel	15.08	59.2	2021	TOT	63	4	5	.444	0	2.26	100	0	0	24	31	15	19	6	23	3	43	1	235	8	3.47	4.35	0.91	42.6	9.8	0.91	.243	2.87	52	2.42	55	4.68	12.6

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TEAM	W	L	PCT	GB
Brewers	62	37	.626
Cubs	56	43	.566	6.0
Cardinals	51	47	.520	10.5
Pirates	52	48	.520	10.5
Reds	45	53	.459	16.5

Schedule

DATE	MATCHUP			TIME (ET)
Mon 7/20	CIN	@	SEA	9:40 PM
Tue 7/21	CIN	@	SEA	9:40 PM
Wed 7/22	CIN	@	SEA	3:40 PM
Fri 7/24	CIN	@	STL	8:15 PM
Sat 7/25	CIN	@	STL	7:15 PM

Last Game

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Final

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Sun 19 Jul 2026

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MLB Fantasy 2026

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NL East	W	L	PCT	GB
Braves	57	41	.582
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Marlins	52	48	.520	6.0
Nationals	50	50	.500	8.0
Mets	42	58	.420	16.0
NL Central	W	L	PCT	GB
Brewers	62	37	.626
Cubs	56	43	.566	6.0
Cardinals	51	47	.520	10.5
Pirates	52	48	.520	10.5
Reds	45	53	.459	16.5
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Dodgers	63	36	.636
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Yankees	54	44	.551	2.0
Red Sox	50	48	.510	6.0
Orioles	49	51	.490	8.0
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White Sox	52	46	.531
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Tigers	46	53	.465	6.5
Royals	40	60	.400	13.0
AL West	W	L	PCT	GB
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MLB 2026 Scores & Schedule

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DATE	MATCHUP			SCORE
Wed 7/1	CWS	@	BAL	1-6
Wed 7/1	DET	@	NYY	6-2
Wed 7/1	SDP	@	CHC	3-23
Wed 7/1	NYM	@	TOR	3-9
Wed 7/1	TBR	@	KCR	4-0

Schedule

DATE	MATCHUP			TIME (ET)
Mon 7/20	MIN	@	CLE	6:40 PM
Mon 7/20	PIT	@	NYY	7:05 PM
Mon 7/20	TBR	@	TOR	7:07 PM
Mon 7/20	LAD	@	PHI	7:10 PM
Mon 7/20	BAL	@	BOS	7:10 PM

Aroldis Chapman has the best K/9 with 50.0+ innings pitched in a season, with 17.67 per nine innings in 2014.

Interpreted as:

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