Colin Poche won the most games by a relief pitcher in 2023, with 12 wins.

	NAME	W	SEASON	TM	L	W%	G	GS	ERA	SO	CG	SHO	SV	IP	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	Colin Poche C. Poche	12	2023	TBR	3	.800	66	0	2.23	61	0	0	1	60.2	42	15	17	4	24	1	6	1	246	3	9.05	3.56	2.54	0.59	24.8	9.8	1.09	.244	2.52	6.23
2	Mike Baumann M. Baumann	10	2023	BAL	1	.909	60	0	3.76	61	0	0	0	64.2	52	27	29	7	33	2	15	2	273	7	8.49	4.59	1.85	0.97	22.3	12.1	1.31	.265	4.04	7.24
3	Alexis Díaz A. Díaz	9	2023	CIN	6	.600	71	0	3.07	86	0	0	37	67.1	44	23	30	4	36	10	51	0	286	3	11.50	4.81	2.39	0.53	30.1	12.6	1.19	.267	4.01	5.88
4	Kevin Ginkel K. Ginkel	9	2023	ARI	1	.900	60	0	2.48	70	0	0	4	65.1	41	18	24	3	23	2	19	1	254	5	9.64	3.17	3.04	0.41	27.6	9.1	0.98	.244	3.31	5.65
5	Tanner Scott T. Scott	9	2023	MIA	5	.643	74	0	2.31	104	0	0	12	78.0	53	20	22	3	24	4	26	3	307	1	12.00	2.77	4.33	0.35	33.9	7.8	0.99	.291	2.54	6.12
6	Matt Brash M. Brash	9	2023	SEA	4	.692	78	0	3.06	107	0	0	4	70.2	65	24	26	3	29	6	7	0	308	11	13.63	3.69	3.69	0.38	34.7	9.4	1.33	.380	3.31	8.28
7	Craig Kimbrel C. Kimbrel	8	2023	PHI	6	.571	71	0	3.26	94	0	0	23	69.0	44	25	28	10	28	4	45	1	278	4	12.26	3.65	3.36	1.30	33.8	10.1	1.04	.239	3.65	5.74
8	Devin Williams D. Williams	8	2023	MIL	3	.727	61	0	1.53	87	0	0	36	58.2	26	10	13	4	28	1	49	1	231	1	13.35	4.30	3.11	0.61	37.7	12.1	0.92	.198	1.99	3.99
9	Félix Bautista F. Bautista	8	2023	BAL	2	.800	56	0	1.48	110	0	0	33	61.0	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	4.43
10	Ian Gibaut I. Gibaut	8	2023	CIN	4	.667	74	0	3.33	69	0	0	3	75.2	69	28	33	8	28	4	15	4	318	0	8.21	3.33	2.46	0.95	21.7	8.8	1.28	.292	3.93	8.21
11	Andrew Nardi A. Nardi	8	2023	MIA	1	.889	63	0	2.67	73	0	0	3	57.1	45	17	18	7	21	4	10	2	237	0	11.46	3.30	3.48	1.10	30.8	8.9	1.15	.288	2.83	7.06
12	Shintaro Fujinami S. Fujinami	7	2023	TOT	2	.778	57	0	5.14	69	0	0	2	61.1	47	35	37	5	33	4	19	1	263	6	10.13	4.84	2.09	0.73	26.2	12.5	1.30	.276	5.43	6.90
13	Scott Alexander S. Alexander	7	2023	SFG	0	1.000	47	0	4.10	25	0	0	1	41.2	45	19	22	2	10	1	11	3	177	7	5.40	2.16	2.50	0.43	14.1	5.6	1.32	.309	4.75	9.72
14	Joel Payamps J. Payamps	7	2023	MIL	5	.583	69	0	2.55	77	0	0	3	70.2	57	20	24	8	17	5	10	1	287	2	9.81	2.17	4.53	1.02	26.8	5.9	1.05	.272	3.06	7.26
15	Michael Tonkin M. Tonkin	7	2023	ATL	3	.700	45	0	4.27	75	0	0	1	80.0	64	38	41	13	23	2	11	1	325	2	8.44	2.59	3.26	1.46	23.1	7.1	1.09	.241	4.61	7.20
16	Alex Lange A. Lange	7	2023	DET	4	.636	67	0	3.68	79	0	0	26	66.0	43	27	30	6	45	6	45	1	288	4	10.77	6.14	1.76	0.82	27.4	15.6	1.33	.243	4.09	5.86
17	Kirby Yates K. Yates	7	2023	ATL	2	.778	61	0	3.28	80	0	0	5	60.1	35	22	22	9	37	5	16	1	254	5	11.93	5.52	2.16	1.34	31.5	14.6	1.19	.211	3.28	5.22
18	Caleb Ferguson C. Ferguson	7	2023	LAD	2	.778	61	0	3.02	65	0	0	3	53.2	53	18	25	3	20	7	9	0	236	3	10.90	3.35	3.25	0.50	27.5	8.5	1.36	.355	4.19	8.89
19	A.J. Puk	7	2023	MIA	5	.583	58	0	3.97	78	0	0	15	56.2	54	25	29	10	13	2	31	2	242	1	12.39	2.06	6.00	1.59	32.2	5.4	1.18	.317	4.61	8.58
20	Kyle Finnegan K. Finnegan	7	2023	WSH	5	.583	67	0	3.76	63	0	0	28	69.1	66	29	33	11	24	1	46	1	288	0	8.18	3.12	2.63	1.43	21.9	8.3	1.30	.291	4.28	8.57
21	Matt Strahm M. Strahm	7	2023	PHI	2	.778	46	0	2.82	65	0	0	2	54.1	43	17	19	8	12	0	6	0	216	0	10.77	1.99	5.42	1.33	30.1	5.6	1.01	.267	3.15	7.12
22	Trevor Stephan T. Stephan	7	2023	CLE	7	.500	71	0	4.06	75	0	0	2	68.2	63	31	35	6	26	5	11	1	294	3	9.83	3.41	2.88	0.79	25.5	8.8	1.30	.313	4.59	8.26
23	Kyle Nelson K. Nelson	7	2023	ARI	3	.700	66	0	3.98	63	0	0	0	54.1	57	24	27	11	13	1	8	1	230	1	10.44	2.15	4.85	1.82	27.4	5.7	1.29	.324	4.47	9.44
24	Jhony Brito J. Brito	6	2023	NYY	1	.857	12	0	1.43	34	0	0	1	37.2	25	6	9	1	7	2	1	0	140	0	8.12	1.67	4.86	0.24	24.3	5.0	0.85	.250	2.15	5.97
25	Chris Devenski C. Devenski	6	2023	TOT	4	.600	38	0	4.46	42	0	0	0	42.1	36	21	24	6	11	1	9	1	173	1	8.93	2.34	3.82	1.28	24.3	6.4	1.11	.265	5.10	7.65