Matt Brash threw in the most games by a relief pitcher in 2023, with 78 games.

	NAME	G	SEASON	TM	W	L	W%	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	Matt Brash M. Brash	78	2023	SEA	9	4	.692	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
2	Justin Topa J. Topa	75	2023	SEA	5	4	.556	0	2.61	61	0	0	3	69.0	61	20	26	4	18	3	14	4	279	0	7.96	2.35	3.39	0.52	21.9	6.5	1.14	.295	3.39	7.96
3	Miguel Castro M. Castro	75	2023	ARI	6	5	.545	0	4.31	60	0	0	7	64.2	51	31	32	8	25	3	21	3	268	0	8.35	3.48	2.40	1.11	22.4	9.3	1.18	.250	4.45	7.10
4	Emmanuel Clase E. Clase	75	2023	CLE	3	8	.273	0	3.22	64	0	0	44	72.2	68	26	37	4	16	1	65	2	302	5	7.93	1.98	4.00	0.50	21.2	5.3	1.16	.295	4.58	8.42
5	Tanner Scott T. Scott	74	2023	MIA	9	5	.643	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	Ian Gibaut I. Gibaut	74	2023	CIN	8	4	.667	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
7	Hoby Milner H. Milner	73	2023	MIL	2	1	.667	0	1.82	59	0	0	0	64.1	49	13	16	5	13	2	6	0	252	1	8.25	1.82	4.54	0.70	23.4	5.2	0.96	.254	2.24	6.85
8	Yimi García Y. García	73	2023	TOR	3	4	.429	0	4.09	79	0	0	3	66.0	67	30	35	8	15	6	16	1	282	0	10.77	2.05	5.27	1.09	28.0	5.3	1.24	.339	4.77	9.14
9	Yennier Cano Y. Cano	72	2023	BAL	1	4	.200	0	2.11	65	0	0	8	72.2	60	17	19	4	13	3	20	2	283	2	8.05	1.61	5.00	0.50	23.0	4.6	1.00	.283	2.35	7.43
10	Bryan Abreu B. Abreu	72	2023	HOU	3	2	.600	0	1.75	100	0	0	5	72.0	44	14	17	6	31	3	16	0	287	1	12.50	3.88	3.23	0.75	34.8	10.8	1.04	.259	2.13	5.50
11	Craig Kimbrel C. Kimbrel	71	2023	PHI	8	6	.571	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
12	Alexis Díaz A. Díaz	71	2023	CIN	9	6	.600	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
13	Buck Farmer B. Farmer	71	2023	CIN	4	5	.444	0	4.20	70	0	0	3	75.0	58	35	36	11	29	4	10	0	309	1	8.40	3.48	2.41	1.32	22.7	9.4	1.16	.241	4.32	6.96
14	Griffin Jax G. Jax	71	2023	MIN	6	10	.375	0	3.86	68	0	0	4	65.1	58	28	30	5	19	4	14	1	274	1	9.37	2.62	3.58	0.69	24.8	6.9	1.18	.298	4.13	7.99
15	Héctor Neris H. Neris	71	2023	HOU	6	3	.667	0	1.71	77	0	0	2	68.1	41	13	16	7	31	3	7	0	273	3	10.14	4.08	2.48	0.92	28.2	11.4	1.05	.219	2.11	5.40
16	Trevor Stephan T. Stephan	71	2023	CLE	7	7	.500	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
17	José Cuas J. Cuas	70	2023	TOT	3	2	.600	0	3.84	69	0	0	1	63.1	60	27	28	8	34	6	12	0	282	5	9.81	4.83	2.03	1.14	24.5	12.1	1.48	.315	3.98	8.53
18	A.J. Minter	70	2023	ATL	3	6	.333	0	3.76	82	0	0	10	64.2	56	27	28	6	21	0	19	2	260	1	11.41	2.92	3.90	0.84	31.5	8.1	1.19	.331	3.90	7.79
19	Enyel De Los Santos E. De Los Santos	70	2023	CLE	5	2	.714	0	3.29	62	0	0	0	65.2	50	24	26	4	25	4	8	1	262	2	8.50	3.43	2.48	0.55	23.7	9.5	1.14	.275	3.56	6.85
20	Jason Foley J. Foley	70	2023	DET	3	3	.500	0	2.61	55	0	0	7	69.0	65	20	21	2	15	1	18	2	276	2	7.17	1.96	3.67	0.26	19.9	5.4	1.16	.310	2.74	8.48
21	Julian Merryweather J. Merryweather	69	2023	CHC	5	1	.833	0	3.38	98	0	0	2	72.0	58	27	28	8	36	1	15	0	303	3	12.25	4.50	2.72	1.00	32.3	11.9	1.31	.313	3.50	7.25
22	Joel Payamps J. Payamps	69	2023	MIL	7	5	.583	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
23	Mark Leiter Jr. M. Leiter Jr.	69	2023	CHC	1	3	.250	0	3.50	77	0	0	4	64.1	48	25	27	7	24	8	12	0	269	2	10.77	3.36	3.21	0.98	28.6	8.9	1.12	.268	3.78	6.72
24	Sam Moll S. Moll	69	2023	TOT	2	3	.400	0	3.08	65	0	0	1	61.1	46	21	22	2	30	7	13	8	264	4	9.54	4.40	2.17	0.29	24.6	11.4	1.24	.275	3.23	6.75
25	Gabe Speier G. Speier	69	2023	SEA	2	2	.500	0	3.79	64	0	0	1	54.2	47	23	24	7	11	3	8	4	216	2	10.54	1.81	5.82	1.15	29.6	5.1	1.06	.305	3.95	7.74