most innings pitched in a year by a relief pitcher since 1983

Since 1983, Mark Eichhorn has pitched the most innings by a relief pitcher in a season, with 157 innings in his rookie season in 1986.

	NAME	IP	SEASON	TM	G	W	L	W%	GS	ERA	SO	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	H/9
1	Mark Eichhorn M. Eichhorn	157.0	1986	TOR	69	14	6	.700	0	1.72	166	0	0	10	105	30	32	8	45	7	38	14	612	2	9.52	2.58	3.69	0.46	27.1	7.4	0.96	.251	1.83	6.02
2	Bob Stanley B. Stanley	145.1	1983	BOS	64	8	10	.444	0	2.85	65	0	0	33	145	46	56	7	38	3	53	12	602	4	4.03	2.35	1.71	0.43	10.8	6.3	1.26	.282	3.47	8.98
3	Willie Hernandez W. Hernandez	140.1	1984	DET	80	9	3	.750	0	1.92	112	0	0	32	96	30	30	6	36	4	68	8	548	2	7.18	2.31	3.11	0.38	20.4	6.6	0.94	.231	1.92	6.16
4	Sammy Stewart S. Stewart	140.1	1983	BAL	57	9	3	.750	0	3.46	91	0	0	7	130	54	56	7	64	1	21	4	600	8	5.84	4.10	1.42	0.45	15.2	10.7	1.38	.281	3.59	8.34
5	Dan Quisenberry D. Quisenberry	139.0	1983	KCR	69	5	3	.625	0	1.94	48	0	0	45	118	30	35	6	11	0	62	2	536	0	3.11	0.71	4.36	0.39	9.0	2.1	0.93	.238	2.27	7.64
6	Aurelio Lopez A. Lopez	137.2	1984	DET	71	10	1	.909	0	2.94	94	0	0	14	109	45	51	16	52	2	41	6	559	3	6.15	3.40	1.81	1.05	16.8	9.3	1.17	.235	3.33	7.13
7	Dan Quisenberry D. Quisenberry	129.1	1984	KCR	72	6	3	.667	0	2.64	41	0	0	44	121	38	39	10	12	0	67	4	506	0	2.85	0.84	3.42	0.70	8.1	2.4	1.03	.251	2.71	8.42
8	Dan Quisenberry D. Quisenberry	129.0	1985	KCR	84	8	9	.471	0	2.37	54	0	0	37	142	34	41	8	16	1	76	5	532	0	3.77	1.12	3.38	0.56	10.2	3.0	1.22	.296	2.86	9.91
9	Roger McDowell R. McDowell	128.0	1986	NYM	75	14	9	.609	0	3.02	65	0	0	22	107	43	48	4	42	3	52	5	524	3	4.57	2.95	1.55	0.28	12.4	8.0	1.16	.251	3.38	7.52
10	Duane Ward D. Ward	127.2	1990	TOR	73	2	8	.200	0	3.45	112	0	0	11	101	49	51	9	42	1	39	10	508	5	7.90	2.96	2.67	0.63	22.0	8.3	1.12	.267	3.60	7.12
11	Mark Eichhorn M. Eichhorn	127.2	1987	TOR	89	10	6	.625	0	3.17	96	0	0	4	110	45	47	14	52	6	27	13	540	3	6.77	3.67	1.85	0.99	17.8	9.6	1.27	.258	3.31	7.75
12	Sammy Stewart S. Stewart	127.1	1985	BAL	55	5	6	.455	0	3.32	76	0	0	9	110	47	55	14	65	1	36	10	542	5	5.37	4.59	1.17	0.99	14.0	12.0	1.37	.249	3.89	7.77
13	Jim Acker J. Acker	126.0	1989	TOT	73	2	7	.222	0	2.43	92	0	0	2	108	34	36	6	32	2	26	11	499	3	6.57	2.29	2.88	0.43	18.4	6.4	1.11	.278	2.57	7.71
14	Jeff Robinson J. Robinson	124.2	1988	PIT	75	11	5	.688	0	3.03	87	0	0	9	113	42	44	6	39	3	35	5	513	11	6.28	2.82	2.23	0.43	17.0	7.6	1.22	.283	3.18	8.16
15	Lance McCullers L. McCullers	123.1	1987	SDP	78	8	10	.444	0	3.72	126	0	0	16	115	51	60	11	59	2	41	11	540	5	9.19	4.31	2.14	0.80	23.3	10.9	1.41	.304	4.38	8.39
16	Jeff Robinson J. Robinson	123.1	1987	TOT	81	8	9	.471	0	2.85	101	0	0	14	89	39	43	11	54	1	40	11	495	5	7.37	3.94	1.87	0.80	20.4	10.9	1.16	.238	3.14	6.49
17	Bruce Sutter B. Sutter	122.2	1984	STL	71	5	7	.417	0	1.54	77	0	0	45	109	21	26	9	23	1	63	4	477	2	5.65	1.69	3.35	0.66	16.1	4.8	1.08	.272	1.91	8.00
18	Bill Campbell B. Campbell	122.1	1983	CHC	82	6	8	.429	0	4.49	97	0	0	8	128	61	65	4	49	1	46	18	530	6	7.14	3.60	1.98	0.29	18.3	9.2	1.45	.327	4.78	9.42
19	Danny Darwin D. Darwin	122.0	1989	HOU	68	11	4	.733	0	2.36	104	0	0	7	92	32	35	8	33	2	26	9	482	2	7.67	2.43	3.15	0.59	21.6	6.8	1.02	.251	2.58	6.79
20	Andy McGaffigan A. McGaffigan	120.1	1987	MON	69	5	2	.714	0	2.39	100	0	0	12	105	32	38	5	42	3	30	7	500	6	7.48	3.14	2.38	0.37	20.0	8.4	1.22	.286	2.84	7.85
21	Tim Burke T. Burke	120.1	1985	MON	78	9	4	.692	0	2.39	87	0	0	8	86	32	32	9	44	7	31	14	483	7	6.51	3.29	1.98	0.67	18.0	9.1	1.08	.229	2.39	6.43
22	Greg Minton G. Minton	120.1	1984	SFG	73	4	9	.308	0	3.74	46	0	0	19	124	50	58	6	56	0	43	20	537	5	3.44	4.19	0.82	0.45	8.6	10.4	1.50	.275	4.34	9.27
23	Ryan Yarbrough R. Yarbrough	118.2	2018	TBR	32	14	4	.778	0	3.72	106	0	0	0	110	49	52	15	42	6	3	5	505	0	8.04	3.19	2.52	1.14	21.0	8.3	1.28	.283	3.94	8.34
24	Rick Camp R. Camp	118.2	1985	ATL	64	3	5	.375	0	3.79	44	0	0	3	117	50	66	7	54	5	23	10	523	4	3.34	4.10	0.81	0.53	8.4	10.3	1.44	.266	5.01	8.87
25	Chuck Crim C. Crim	117.2	1989	MIL	76	9	7	.563	0	2.83	59	0	0	7	114	37	42	7	36	2	31	9	487	5	4.51	2.75	1.64	0.54	12.1	7.4	1.27	.279	3.21	8.72