Dave Foutz has the most at-bats by a pitcher in a season, with 414 at-bats in 1886.

	NAME	AB	SEASON	TM	G	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	PA	TB	XBH	SH	AVG	OBP	SLG	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Dave Foutz D. Foutz	414	1886	SLA	102	66	116	18	9	3	59	9	1		17	424	161	30		.280	.297	.389	.686	67	5	.318	104	2.2
2	Jim Whitney J. Whitney	409	1883	BSN	96	78	115	27	10	5	57	25		29		434	177	42		.281		.433		83	18	.337	121	14.8
3	Old Hoss Radbourn O. Hoss Radbourn	381	1883	PRO	89	59	108	11	3	3	48	14		16		395	134	17		.283		.352		64	4.8	.301	104	2.5
4	John Ward J. Ward	364	1879	PRO	83	71	104	9	4	2	41	7		14		371	127	15		.286		.349		58	6.4	.293	112	6.4
5	Old Hoss Radbourn O. Hoss Radbourn	361	1884	PRO	87	48	83	7	1	1	37	26		42		387	95	9		.230		.263		50	-6	.259	87	-8
6	John Ward J. Ward	356	1880	PRO	86	53	81	12	2	0	27	6		16		362	97	14		.228		.272		37	-8.7	.234	82	-8.4
7	John Coleman J. Coleman	354	1883	PHN	90	33	83	12	8	0	32	15		39		369	111	20		.234		.314		49	-6.7	.263	83	-10
8	Charlie Buffinton C. Buffinton	352	1884	BSN	87	48	94	18	3	1	39	16		12		368	121	22		.267		.344		58	4.8	.296	103	1.8
9	Tony Mullane T. Mullane	352	1884	TOL	95	49	97	19	3	3		33	1			386	131	25		.276	.339	.372	.712	72	15.3	.330	122	12.7
10	Harry Howell H. Howell	347	1902	BAL	96	42	93	16	11	2	42	18	4	60	7	377	137	29	8	.268	.312	.395	.706	48	3.6	.335	89	-5.7
11	Guy Hecker G. Hecker	343	1886	LOU	84	76	117	14	5	4	48	32	3		25	378	153	23		.341	.402	.446	.848	84	28.7	.400	150	27.9
12	Charlie Sweeney C. Sweeney	339	1884	TOT	86	55	104	23	2	2	19	21		17		360	137	27		.307		.404		71	18.4	.345	136	19
13	Bill Wise B. Wise	339	1884	WSU	85	51	79	17	1	2		12				351	104	20		.233		.307		46	-5.1	.260	95	-2.6
14	Charlie Buffinton C. Buffinton	338	1885	BSN	82	26	81	12	3	1	33	3		26		341	102	16		.240		.302		39	-9	.253	82	-9
15	Guy Hecker G. Hecker	332	1883	LOU	81	59	90	6	6	1		12				344	111	13		.271		.334		52	0.4	.288	104	2
16	Curry Foley C. Foley	332	1880	BOS	80	44	97	13	2	2	31	8		14		340	120	17		.292		.361		53	9.4	.305	121	9.3
17	Old Hoss Radbourn O. Hoss Radbourn	326	1882	PRO	83	30	78	11	0	1	32	12		22		338	92	12		.239		.282		42	-5.9	.253	87	-6.3
18	Tony Mullane T. Mullane	324	1886	CIN	91	59	73	12	5	0	39	25	1		20	350	95	17		.225	.283	.293	.576	44	-6.8	.278	84	-8.1
19	Pud Galvin P. Galvin	322	1883	BUF	80	41	71	11	2	1	19	3		79		325	89	14		.220		.276		34	-15.4	.228	62	-20.2
20	Mickey Welch M. Welch	320	1883	NYG	84	42	75	13	5	2	30	10		38		330	104	20		.234		.325		43	-6.2	.263	82	-9.6
21	Bob Caruthers B. Caruthers	317	1886	SLA	87	91	106	21	14	4	61	64	1		26	382	167	39		.334	.448	.527	.974	100	44.4	.451	174	41.9
22	Guy Hecker G. Hecker	316	1884	LOU	78	53	94	14	8	4	42	10	2			328	136	26		.297	.323	.430	.754	63	15.6	.340	131	15.3
23	Stump Wiedman S. Wiedman	313	1883	DET	79	34	58	6	1	1	24	4		38		317	69	8		.185		.220		23	-24.7	.190	46	-27.9
24	Jim McCormick J. McCormick	309	1881	CLE	70	45	79	9	4	0	26	5		16		314	96	13		.256		.311		37	-5.8	.266	87	-5.6
25	Lee Richmond L. Richmond	309	1880	WOR	77	44	70	8	4	0	34	9		32		318	86	12		.227		.278		34	-6	.241	76	-9.8