Jack Morris has the fewest career at-bats by a Hall of Famer, with 1 at-bat.

	NAME	AB	HOF	G	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Jack Morris J. Morris	1	2018	22	4	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0	.000	.000	.000	.000	0	-0.3	.000	-114	-0.3
2	Mariano Rivera M. Rivera	3	2019	20	0	0	0	0	0	1	1	0	1	0	0	4	0	0	0	0	0	0	.000	.250	.000	.250	0	-0.5	.177	-7	-0.5
3	Trevor Hoffman T. Hoffman	34	2018	538	1	4	2	0	0	5	0	0	11	0	0	36	6	2	2	0	0	0	.118	.118	.176	.294	-2	-6.4	.127	-38	-6.3
4	Mike Mussina M. Mussina	52	2019	22	3	9	1	0	0	5	1	0	9	0	0	54	10	1	1	0	0	0	.173	.189	.192	.381	0	-7.1	.172	-2	-7.1
5	Lee Smith L. Smith	64	2019	549	2	3	0	0	1	2	3	0	42	0	0	71	6	1	4	0	0	0	.047	.090	.094	.183	-4	-12.4	.090	-61	-13
6	Rich Gossage R. Gossage	85	2008	383	1	9	1	0	0	2	4	0	37	0	0	93	10	1	4	0	0	2	.106	.146	.118	.264	-3	-13.4	.127	-31	-13.5
7	Bruce Sutter B. Sutter	102	2006	661	6	9	0	0	0	6	7	1	50	1	0	121	9	0	10	1	0	1	.088	.153	.088	.241	-4	-17.9	.125	-38	-19.1
8	Satchel Paige S. Paige	124	1971	179	2	12	0	0	0	4	3	0	32	0	0	135	12	0	8	0	0	5	.097	.118	.097	.215	-8	-24	.105	-52	-25.3
9	Rollie Fingers R. Fingers	180	1992	487	10	31	3	0	2	9	3	0	45	0	0	201	40	5	18	0	0	2	.172	.186	.222	.408	2	-20.1	.186	16	-19.9
10	Dennis Eckersley D. Eckersley	181	2004	147	9	24	3	0	3	12	9	0	84	0	0	196	36	6	5	1	0	1	.133	.173	.199	.372	0	-22.4	.171	-8	-24.1
11	Roy Halladay R. Halladay	275	2019	115	15	34	2	0	0	12	4	0	137	0	0	305	36	2	26	0	0	2	.124	.136	.131	.267	-14	-48.5	.121	-38	-50
12	Hoyt Wilhelm H. Wilhelm	432	1985	1,062	24	38	3	1	1	21	26	0	166	0	1	493	46	5	34	1	0	8	.088	.139	.106	.246	-20	-74.6	.122	-31	-77.1
13	Pedro Martinez P. Martinez	434	2015	277	22	43	6	2	0	18	15	3	190	0	0	518	53	8	63	3	0	5	.099	.134	.122	.256	-27	-90.9	.121	-40	-92.1
14	Bert Blyleven B. Blyleven	451	2011	216	19	59	7	0	0	25	5	2	193	0	0	514	66	7	56	0	0	4	.131	.144	.146	.290	-15	-70.1	.134	-28	-73.2
15	Jim Palmer J. Palmer	489	1990	222	52	85	9	1	3	41	16	0	207	1	0	537	105	13	31	1	0	1	.174	.200	.215	.414	9	-47.6	.191	17	-49.9
16	Randy Johnson R. Johnson	625	2015	273	20	78	14	0	1	40	19	2	296	0	0	691	95	15	44	1	0	10	.125	.153	.152	.305	-25	-111.3	.140	-31	-117.3
17	Catfish Hunter C. Hunter	658	1987	302	60	149	16	3	6	51	8	0	160	2	0	710	189	25	39	5	0	10	.226	.234	.287	.521	35	-37.5	.235	49	-39.5
18	Dizzy Dean D. Dean	717	1953	324	76	161	23	4	8	76	9	1	104	5		766	216	35	39				.225	.235	.301	.536	36	-59.2	.245	35	-61.8
19	Sandy Koufax S. Koufax	776	1972	397	26	75	9	0	2	28	43	1	386	0	1	858	90	11	35	3	0	10	.097	.145	.116	.261	-28	-122.6	.127	-25	-126.7
20	Addie Joss A. Joss	817	1978	296	46	118	21	6	1	51	54	1	297	10		911	154	28	39				.144	.198	.188	.387	24	-70.2	.194	27	-73.3
21	Nolan Ryan N. Ryan	852	1999	424	40	94	10	2	2	36	38	0	371	3	3	957	114	14	65	2	0	11	.110	.148	.134	.282	-28	-132.4	.135	-21	-130.1
22	Fergie Jenkins F. Jenkins	896	1991	410	54	148	27	6	13	85	41	0	326	0	1	1,010	226	46	66	7	0	9	.165	.200	.252	.452	28	-77.4	.207	19	-93.2
23	Lefty Gomez L. Gomez	904	1972	368	59	133	11	0	0	58	50	2	252	1		1,024	144	11	68			5	.147	.194	.159	.353	-10	-136.6	.174	-2	-146.4
24	John Smoltz J. Smoltz	948	2015	709	77	151	26	2	5	61	79	3	365	3	2	1,167	196	33	136	1	0	15	.159	.226	.207	.433	23	-117.1	.205	14	-122.4
25	Dazzy Vance D. Vance	971	1955	440	68	146	23	1	7	75	79	7	287	1		1,112	192	31	55				.150	.219	.198	.417	12	-127.6	.206	11	-133