most strikeouts by a pitcher in a season with less than 78 innings pitched

Josh Hader and Carlos Marmol are tied for fanning the most batters with fewer than 78.0 innings pitched in a season, with 138 strikeouts.

	NAME	SO	IP	SEASON	TM	G	W	L	W%	GS	ERA	CG	SHO	SV	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	ERA-	FIP	FIP-	H/9	PRAA
1	Josh Hader J. Hader	138	75.2	2019	MIL	61	3	5	.375	0	2.62	0	0	37	41	22	24	15	20	4	46	2	289	0	16.41	2.38	6.90	1.78	47.8	6.9	0.81	.232	2.85	59	3.08	70	4.88	11.3
2	Carlos Marmol C. Marmol	138	77.2	2010	CHC	77	2	3	.400	0	2.55	0	0	38	40	22	23	1	52	8	70	4	332	2	15.99	6.03	2.65	0.12	41.6	15.7	1.18	.293	2.67	62	2.00	50	4.64	17.4
3	Craig Kimbrel C. Kimbrel	127	77.0	2011	ATL	79	4	3	.571	0	2.10	0	0	46	48	18	19	3	32	1	64	1	306	4	14.84	3.74	3.97	0.35	41.5	10.5	1.04	.315	2.22	56	1.51	40	5.61	19.6
4	Craig Kimbrel C. Kimbrel	126	69.0	2017	BOS	67	5	0	1.000	0	1.43	0	0	35	33	11	11	6	14	4	51	0	254	5	16.43	1.83	9.00	0.78	49.6	5.5	0.68	.260	1.43	31	1.41	32	4.30	22.7
5	Corey Knebel C. Knebel	126	76.0	2017	MIL	76	1	4	.200	0	1.78	0	0	39	48	15	15	6	40	2	48	5	309	2	14.92	4.74	3.15	0.71	40.8	12.9	1.16	.311	1.78	41	2.52	58	5.68	15.4
6	Dellin Betances D. Betances	126	73.0	2016	NYY	73	3	6	.333	0	3.08	0	0	12	54	25	31	5	28	1	20	0	299	6	15.53	3.45	4.50	0.62	42.1	9.4	1.12	.353	3.82	73	1.77	40	6.66	20.7
7	Edwin Díaz E. Díaz	124	73.1	2018	SEA	73	0	4	.000	0	1.96	0	0	57	41	16	17	5	17	6	65	0	280	3	15.22	2.09	7.29	0.61	44.3	6.1	0.79	.281	2.09	48	1.60	38	5.03	21.3
8	Billy Wagner B. Wagner	124	74.2	1999	HOU	66	4	1	.800	0	1.57	0	0	39	35	13	14	5	23	1	55	1	286	2	14.95	2.77	5.39	0.60	43.4	8.0	0.78	.226	1.69	37	1.64	38	4.22	23.6
9	Andrew Miller A. Miller	123	74.1	2016	TOT	70	10	1	.909	0	1.45	0	0	12	42	12	13	8	9	2	23	0	275	1	14.89	1.09	13.67	0.97	44.7	3.3	0.69	.256	1.57	34	1.67	38	5.09	21.7
10	Shane Bieber S. Bieber	122	77.1	2020	CLE	12	8	1	.889	12	1.63	0	0	0	46	14	15	7	21	1	0	0	297	5	14.20	2.44	5.81	0.81	41.1	7.1	0.87	.267	1.75	37	2.06	46	5.35	20.5
11	Aroldis Chapman A. Chapman	122	71.2	2012	CIN	68	5	5	.500	0	1.51	0	0	38	35	12	13	4	23	4	52	0	276	4	15.32	2.89	5.30	0.50	44.2	8.3	0.81	.252	1.63	38	1.54	38	4.40	19.3
12	Edwin Díaz E. Díaz	118	62.0	2022	NYM	61	3	1	.750	0	1.31	0	0	32	34	9	9	3	18	2	49	1	235	2	17.13	2.61	6.56	0.44	50.2	7.7	0.84	.330	1.31	34	0.90	23	4.94	21.2
13	Aroldis Chapman A. Chapman	116	66.1	2015	CIN	65	4	4	.500	0	1.63	0	0	33	43	12	13	3	33	5	54	1	278	7	15.74	4.48	3.52	0.41	41.7	11.9	1.15	.331	1.76	41	1.94	49	5.83	14.6
14	Craig Kimbrel C. Kimbrel	116	62.2	2012	ATL	63	3	1	.750	0	1.01	0	0	42	27	7	7	3	14	2	56	0	231	5	16.66	2.01	8.29	0.43	50.2	6.1	0.65	.250	1.01	26	0.77	20	3.88	21.6
15	Dellin Betances D. Betances	115	66.2	2018	NYY	66	4	6	.400	0	2.70	0	0	4	44	20	22	7	26	5	15	2	272	4	15.52	3.51	4.42	0.95	42.3	9.6	1.05	.311	2.97	63	2.47	57	5.94	13.5
16	Jonathan Broxton J. Broxton	114	76.0	2009	LAD	73	7	2	.778	0	2.61	0	0	36	44	22	24	4	29	1	58	1	300	2	13.50	3.43	3.93	0.47	38.0	9.7	0.96	.263	2.84	64	1.96	47	5.21	18.8
17	Liam Hendriks L. Hendriks	113	71.0	2021	CWS	69	8	3	.727	0	2.54	0	0	38	45	20	23	11	7	1	58	1	267	6	14.32	0.89	16.14	1.39	42.3	2.6	0.73	.252	2.92	58	2.33	52	5.70	16.2
18	Kyle Barraclough K. Barraclough	113	72.2	2016	MIA	75	6	3	.667	0	2.85	0	0	0	45	23	24	1	44	2	6	1	306	8	14.00	5.45	2.57	0.12	36.9	14.4	1.22	.301	2.97	72	2.11	53	5.57	15.7
19	Adam Ottavino A. Ottavino	112	77.2	2018	COL	75	6	4	.600	0	2.43	0	0	6	41	21	25	5	36	6	16	5	309	7	12.98	4.17	3.11	0.58	36.2	11.7	0.99	.240	2.90	53	2.73	64	4.75	12.7
20	Aroldis Chapman A. Chapman	112	63.2	2013	CIN	68	4	5	.444	0	2.54	0	0	38	37	18	18	7	29	3	55	0	258	6	15.83	4.10	3.86	0.99	43.4	11.2	1.04	.280	2.54	67	2.46	64	5.23	9.8
21	Kenley Jansen K. Jansen	111	76.2	2013	LAD	75	4	3	.571	0	1.88	0	0	28	48	16	16	6	18	3	45	1	292	2	13.03	2.11	6.17	0.70	38.0	6.2	0.86	.273	1.88	52	1.99	53	5.63	14.9
22	Byung-Hyun Kim B. Kim	111	70.2	2000	ARI	61	6	6	.500	1	4.46	0	0	14	52	35	39	9	46	9	30	5	320	3	14.14	5.86	2.41	1.15	34.7	14.4	1.39	.297	4.97	94	3.97	84	6.62	6.1
23	Félix Bautista F. Bautista	110	61.0	2023	BAL	56	8	2	.800	0	1.48	0	0	33	30	10	14	4	26	2	46	0	237	7	16.23	3.84	4.23	0.59	46.4	11.0	0.92	.274	2.07	35	1.87	45	4.43	16
24	Andrew Heaney A. Heaney	110	72.2	2022	LAD	16	4	4	.500	14	3.10	0	0	0	60	25	34	14	19	9	1	0	310	0	13.62	2.35	5.79	1.73	35.5	6.1	1.09	.291	4.21	79	3.74	93	7.43	2.3
25	Nick Anderson N. Anderson	110	65.0	2019	TOT	68	5	4	.556	0	3.32	0	0	1	52	24	24	8	18	2	3	4	264	4	15.23	2.49	6.11	1.11	41.7	6.8	1.08	.349	3.32	79	2.34	54	7.20	14.7