Cy Young has the most career at-bats by a pitcher, with 2,960 at-bats.

	NAME	AB	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	Cy Young C. Young	2,960	918	325	623	87	35	18	290	81	10	373	29		3,101	834	140	50				.210	.234	.282	.516	198	-212.2	.245	45	-238.4
2	Pud Galvin P. Galvin	2,702	718	270	546	85	30	5	98	38	2	48	20		2,742	706	120					.202	.214	.261	.475	230	-162.3	.219	57	-178.2
3	Old Hoss Radbourn O. Hoss Radbourn	2,466	647	307	582	64	11	9	113	158	9	11	26		2,633	695	84					.236	.284	.282	.566	328	-56.5	.270	83	-69.6
4	Tony Mullane T. Mullane	2,434	703	366	582	90	30	8	155	182	21	63	93		2,640	756	128	1				.239	.298	.311	.609	357	-35.3	.291	88	-47.5
5	Walter Johnson W. Johnson	2,324	934	241	547	94	41	24	255	110	13	418	13		2,517	795	159	70				.235	.274	.342	.616	214	-62.8	.293	74	-75.1
6	Mickey Welch M. Welch	2,201	607	268	492	93	16	12	88	82	3	14	10		2,286	653	121					.224	.252	.297	.549	255	-74.2	.255	75	-86.7
7	Jim Whitney J. Whitney	2,144	550	316	559	113	39	18	103	161	1		20		2,306	804	170					.261	.313	.375	.688	380	45.5	.317	109	33.1
8	Kid Nichols K. Nichols	2,090	650	273	472	58	24	16	278	137	12	307	19		2,264	626	98	25				.226	.277	.300	.577	215	-113	.280	59	-140.5
9	Tim Keefe T. Keefe	2,083	618	248	390	60	38	12	93	175	3	100	13		2,262	562	110					.187	.252	.270	.521	234	-95	.249	69	-106.1
10	Jim McCormick J. McCormick	2,082	534	246	491	66	22	4	55	22	0		10		2,104	613	92					.236	.244	.294	.538	234	-62.8	.246	78	-69.3
11	John Clarkson J. Clarkson	1,974	546	254	432	73	26	24	213	81	1	118	31		2,060	629	123	4				.219	.250	.319	.569	217	-88.2	.266	64	-116.1
12	Red Ruffing R. Ruffing	1,937	882	207	521	98	13	36	273	97	6	266	1		2,083	753	147	43			13	.269	.306	.389	.695	220	-37.6	.318	80	-55.3
13	Warren Spahn W. Spahn	1,872	783	141	363	57	6	35	189	94	7	487	4	2	2,055	537	98	68	14	0	23	.194	.234	.287	.520	94	-141.3	.238	42	-145.4
14	Gus Weyhing G. Weyhing	1,855	554	164	308	40	15	3	133	101	3	290	32		1,980	387	58	21				.166	.210	.209	.419	85	-210.6	.207	27	-228.2
15	Grover Alexander G. Alexander	1,810	703	154	378	60	13	11	163	77	2	276	3		1,977	497	84	88				.209	.242	.275	.517	97	-128.2	.247	41	-142.4
16	Amos Rusie A. Rusie	1,730	487	209	429	42	29	8	176	27	6	141	25		1,765	553	79	2				.248	.262	.320	.582	165	-104.1	.274	61	-108.8
17	Steve Carlton S. Carlton	1,719	699	123	346	49	6	13	140	41	10	413	2	2	1,877	446	68	94	13	0	33	.201	.223	.259	.482	69	-134.3	.220	31	-146.8
18	Early Wynn E. Wynn	1,704	796	136	365	59	5	17	173	141	2	330	1	0	1,903	485	81	52	4	0	33	.214	.274	.285	.559	120	-96.3	.264	55	-104.2
19	Christy Mathewson C. Mathewson	1,687	647	151	362	50	12	7	167	116	17	218	20		1,889	457	69	69				.215	.272	.271	.543	140	-65	.268	65	-77.7
20	Charlie Buffinton C. Buffinton	1,647	441	185	398	54	12	5	156	77	4	21	11		1,728	491	71					.242	.277	.298	.575	207	-47.6	.274	77	-62.8
21	Jack Stivetts J. Stivetts	1,643	481	283	484	73	35	31	302	102	6	123	28		1,760	720	139	9				.295	.338	.438	.776	293	19.8	.361	99	-5.7
22	Jack Powell J. Powell	1,610	585	133	309	38	14	8	124	87	7	300	3		1,754	399	60	50				.192	.237	.248	.484	98	-109	.237	45	-117.6
23	Eddie Plank E. Plank	1,607	630	130	331	39	7	3	122	71	24	266	13		1,778	393	49	76				.206	.250	.245	.495	103	-87.8	.244	51	-98
24	Greg Maddux G. Maddux	1,591	737	103	272	35	2	5	84	34	5	419	11	3	1,812	326	42	180	2	0	15	.171	.191	.205	.395	-1	-219.7	.179	-1	-228
25	Ted Lyons T. Lyons	1,563	705	162	364	49	9	5	149	73	7	201	0		1,726	446	63	83			9	.233	.270	.285	.556	101	-113.9	.261	44	-133.1