MLB leader in appearances by a reliever 2023

	NAME	SEASON	TM	G	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	Fernando Abad F. Abad	2023	COL	6	1	0	1.000	0	4.26	2	0	0	0	6.1	11	3	3	2	3	0	2	0	32	0	2.84	4.26	0.67	2.84	6.3	9.4	2.21	.360	4.26	15.63
2	Albert Abreu A. Abreu	2023	NYY	45	2	2	.500	0	4.73	61	0	0	0	59.0	52	31	39	9	35	6	19	1	268	5	9.31	5.34	1.74	1.37	22.8	13.1	1.47	.274	5.95	7.93
3	Bryan Abreu B. Abreu	2023	HOU	72	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
4	Domingo Acevedo D. Acevedo	2023	OAK	9	0	0		0	10.61	7	0	0	0	9.1	16	11	11	2	2	1	1	1	47	1	6.75	1.93	3.50	1.93	14.9	4.3	1.93	.400	10.61	15.43
5	Jason Adam J. Adam	2023	TBR	56	4	2	.667	0	2.98	69	0	0	12	54.1	35	18	21	7	20	9	22	0	222	2	11.43	3.31	3.45	1.16	31.1	9.0	1.01	.239	3.48	5.80
6	Austin Adams A. Adams	2023	ARI	24	0	1	.000	0	5.71	22	0	0	0	17.1	16	11	12	1	8	5	1	0	81	2	11.42	4.15	2.75	0.52	27.2	9.9	1.38	.333	6.23	8.31
7	Hanser Alberto H. Alberto	2023	CWS	2	0	0		0	21.60	1	0	0	0	1.2	6	4	4	1	1	0	2	0	12	0	5.40	5.40	1.00	5.40	8.3	8.3	4.20	.556	21.60	32.40
8	Scott Alexander S. Alexander	2023	SFG	47	7	0	1.000	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
9	Tyler Alexander T. Alexander	2023	DET	24	2	0	1.000	0	4.61	41	0	0	0	41.0	43	21	24	7	5	2	8	0	171	0	9.00	1.10	8.20	1.54	24.0	2.9	1.17	.310	5.27	9.44
10	Yency Almonte Y. Almonte	2023	LAD	49	3	2	.600	0	5.06	49	0	0	0	48.0	43	27	30	6	24	4	5	2	208	3	9.19	4.50	2.04	1.13	23.6	11.5	1.40	.296	5.63	8.06
11	José Alvarado J. Alvarado	2023	PHI	42	0	2	.000	0	1.74	64	0	0	10	41.1	30	8	15	3	18	0	12	1	172	3	13.94	3.92	3.56	0.65	37.2	10.5	1.16	.310	3.27	6.53
12	Adbert Alzolay A. Alzolay	2023	CHC	58	2	5	.286	0	2.67	67	0	0	22	64.0	52	19	23	5	13	5	38	0	253	0	9.42	1.83	5.15	0.70	26.5	5.1	1.02	.288	3.23	7.31
13	Chase Anderson C. Anderson	2023	TBR	2	0	0		0	0.00	2	0	0	1	5.0	2	0	0	0	1	0	2	0	18	0	3.60	1.80	2.00	0.00	11.1	5.6	0.60	.133	0.00	3.60
14	Nick Anderson N. Anderson	2023	ATL	35	4	0	1.000	0	3.06	36	0	0	1	35.1	30	12	14	3	9	0	3	0	141	1	9.17	2.29	4.00	0.76	25.5	6.4	1.10	.290	3.57	7.64
15	Tyler Anderson T. Anderson	2023	LAA	2	0	1	.000	0	4.00	10	0	0	0	9.0	7	4	7	2	5	0	0	0	39	1	10.00	5.00	2.00	2.00	25.6	12.8	1.33	.227	7.00	7.00
16	Tejay Antone T. Antone	2023	CIN	4	0	0		0	2.45	4	0	0	0	3.2	3	1	1	0	2	0	0	0	15	0	9.82	4.91	2.00	0.00	26.7	13.3	1.36	.333	2.45	7.36
17	Shawn Armstrong S. Armstrong	2023	TBR	33	1	0	1.000	0	1.80	41	0	0	0	40.0	27	8	12	2	8	4	5	0	160	0	9.23	1.80	5.13	0.45	25.6	5.0	0.88	.238	2.70	6.08
18	Bryan Baker B. Baker	2023	BAL	46	4	3	.571	0	3.60	51	0	0	0	45.0	33	18	19	4	24	1	2	2	186	3	10.20	4.80	2.13	0.80	27.4	12.9	1.27	.274	3.80	6.60
19	Anthony Banda A. Banda	2023	WSH	10	0	0		0	6.43	6	0	0	0	7.0	9	5	5	1	5	1	5	0	35	1	7.71	6.43	1.20	1.29	17.1	14.3	2.00	.364	6.43	11.57
20	Tanner Banks T. Banks	2023	CWS	29	1	2	.333	0	3.91	41	0	0	1	50.2	46	22	24	9	13	3	9	1	207	1	7.28	2.31	3.15	1.60	19.8	6.3	1.16	.262	4.26	8.17
21	Daniel Bard D. Bard	2023	COL	50	4	2	.667	0	4.56	47	0	0	1	49.1	35	25	30	5	49	8	11	3	232	2	8.57	8.94	0.96	0.91	20.3	21.1	1.70	.244	5.47	6.39
22	Scott Barlow S. Barlow	2023	TOT	63	2	6	.250	0	4.63	79	0	0	13	68.0	62	35	39	4	34	5	32	3	299	3	10.46	4.50	2.32	0.53	26.4	11.4	1.41	.328	5.16	8.21
23	Jacob Barnes J. Barnes	2023	STL	13	0	1	.000	0	5.93	8	0	0	0	13.2	18	9	11	1	3	1	5	0	61	0	5.27	1.98	2.67	0.66	13.1	4.9	1.54	.354	7.24	11.85
24	Matt Barnes M. Barnes	2023	MIA	23	1	0	1.000	0	5.75	18	0	0	0	20.1	23	13	13	2	10	1	3	1	94	1	7.97	4.43	1.80	0.89	19.1	10.6	1.62	.333	5.75	10.18
25	Tucker Barnhart T. Barnhart	2023	CHC	4	0	0		0	2.25	0	0	0	0	4.0	7	1	1	0	0	0	4	0	19	0	0.00	0.00		0.00	0.0	0.0	1.75	.368	2.25	15.75