4 pitchers were tied for winning the most games in 1991, with 20 wins. The first three are Scott Erickson, Tom Glavine and Bill Gullickson.

	NAME	W	SEASON	TM	L	W%	G	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	ERA-	FIP	FIP-	H/9	PRAA
1	Scott Erickson S. Erickson	20	1991	MIN	8	.714	32	32	3.18	108	5	3	0	204.0	189	72	80	13	71	6	0	3	851	4	4.76	3.13	1.52	0.57	12.7	8.3	1.27	.270	3.53	75	3.75	94	8.34	5.6
2	Tom Glavine T. Glavine	20	1991	ATL	11	.645	34	34	2.55	192	9	1	0	246.2	201	70	83	17	69	2	0	6	989	10	7.01	2.52	2.78	0.62	19.4	7.0	1.09	.260	3.03	67	3.05	80	7.33	20.8
3	Bill Gullickson B. Gullickson	20	1991	DET	9	.690	35	35	3.90	91	4	0	0	226.1	256	98	109	22	44	4	0	13	954	4	3.62	1.75	2.07	0.87	9.5	4.6	1.33	.295	4.33	94	3.95	95	10.18	5.6
4	John Smiley J. Smiley	20	1991	PIT	8	.714	33	32	3.08	129	2	1	0	207.2	194	71	78	17	44	3	0	0	836	3	5.59	1.91	2.93	0.74	15.4	5.3	1.15	.275	3.38	85	3.35	90	8.41	8.2
5	Mark Langston M. Langston	19	1991	CAL	8	.704	34	34	3.00	183	7	0	0	246.1	190	82	89	30	96	2	0	3	992	6	6.69	3.51	1.91	1.10	18.4	9.7	1.16	.235	3.25	73	4.14	100	6.94	-0.3
6	Jim Abbott J. Abbott	18	1991	CAL	11	.621	34	34	2.89	158	5	1	0	243.0	222	78	85	14	73	5	0	6	1,002	1	5.85	2.70	2.16	0.52	15.8	7.3	1.21	.277	3.15	71	3.26	79	8.22	23
7	Steve Avery S. Avery	18	1991	ATL	8	.692	35	35	3.38	137	3	1	0	210.1	189	79	89	21	65	3	0	0	868	4	5.86	2.78	2.11	0.90	15.8	7.5	1.21	.262	3.81	88	3.82	100	8.09	0.3
8	Roger Clemens R. Clemens	18	1991	BOS	10	.643	35	35	2.62	241	13	4	0	271.1	219	79	93	15	65	5	0	12	1,077	6	7.99	2.16	3.71	0.50	22.4	6.0	1.05	.272	3.08	61	2.57	63	7.26	44.5
9	Chuck Finley C. Finley	18	1991	CAL	9	.667	34	34	3.80	171	4	2	0	227.1	205	96	102	23	101	8	0	1	955	6	6.77	4.00	1.69	0.91	17.9	10.6	1.35	.279	4.04	93	4.10	99	8.12	0.8
10	Jack Morris J. Morris	18	1991	MIN	12	.600	35	35	3.43	163	10	2	0	246.2	226	94	107	18	92	5	0	5	1,032	15	5.95	3.36	1.77	0.66	15.8	8.9	1.29	.276	3.90	81	3.66	91	8.25	9.4
11	Ramon Martinez R. Martinez	17	1991	LAD	13	.567	33	33	3.27	150	6	4	0	220.1	190	80	89	18	69	7	0	4	916	6	6.13	2.82	2.17	0.74	16.4	7.5	1.18	.256	3.64	91	3.59	98	7.76	1.9
12	Jack McDowell J. McDowell	17	1991	CWS	10	.630	35	35	3.41	191	15	3	0	253.2	212	96	97	19	82	4	0	2	1,028	10	6.78	2.91	2.33	0.67	18.6	8.0	1.16	.264	3.44	86	3.33	83	7.52	18.9
13	Mike Moore M. Moore	17	1991	OAK	8	.680	33	33	2.96	153	3	1	0	210.0	176	69	75	11	105	5	0	1	887	14	6.56	4.50	1.46	0.47	17.2	11.8	1.34	.269	3.21	76	3.65	92	7.54	7.3
14	Jimmy Key J. Key	16	1991	TOR	12	.571	33	33	3.05	125	2	2	0	209.1	207	71	84	12	44	3	0	3	877	1	5.37	1.89	2.84	0.52	14.3	5.0	1.20	.281	3.61	74	3.07	74	8.90	24.9
15	Terry Mulholland T. Mulholland	16	1991	PHI	13	.552	34	34	3.61	142	8	3	0	232.0	231	93	100	15	49	3	0	2	956	3	5.51	1.90	2.90	0.58	14.9	5.1	1.21	.289	3.88	98	3.14	84	8.96	15.6
16	Scott Sanderson S. Sanderson	16	1991	NYY	10	.615	34	34	3.81	130	2	2	0	208.0	200	88	95	22	29	3	0	0	837	4	5.63	1.25	4.48	0.95	15.5	3.5	1.10	.273	4.11	93	3.44	83	8.65	15.7
17	Zane Smith Z. Smith	16	1991	PIT	10	.615	35	35	3.20	120	6	3	0	228.0	234	81	95	15	29	2	0	3	916	1	4.74	1.14	4.14	0.59	13.1	3.2	1.15	.292	3.75	89	3.06	83	9.24	16.4
18	Kevin Tapani K. Tapani	16	1991	MIN	9	.640	34	34	2.99	135	4	1	0	244.0	225	81	84	23	40	2	0	0	974	3	4.98	1.48	3.38	0.85	13.9	4.1	1.09	.261	3.10	70	3.49	87	8.30	14
19	Andy Benes A. Benes	15	1991	SDP	11	.577	33	33	3.03	167	4	1	0	223.0	194	75	76	23	59	4	0	7	908	3	6.74	2.38	2.83	0.93	18.4	6.5	1.13	.261	3.07	81	3.54	92	7.83	7.9
20	Doug Drabek D. Drabek	15	1991	PIT	14	.517	35	35	3.07	142	5	2	0	234.2	245	80	92	16	62	3	0	6	977	5	5.45	2.38	2.29	0.61	14.5	6.3	1.31	.304	3.53	85	3.36	91	9.40	9.1
21	Bruce Hurst B. Hurst	15	1991	SDP	8	.652	31	31	3.29	141	4	0	0	221.2	201	81	89	17	59	3	0	3	909	5	5.72	2.40	2.39	0.69	15.5	6.5	1.17	.267	3.61	88	3.41	89	8.16	10.9
22	Charlie Leibrandt C. Leibrandt	15	1991	ATL	13	.536	36	36	3.49	128	1	1	0	229.2	212	89	105	18	56	4	0	3	949	5	5.02	2.19	2.29	0.71	13.5	5.9	1.17	.261	4.11	91	3.54	93	8.31	7.3
23	Greg Maddux G. Maddux	15	1991	CHC	11	.577	37	37	3.35	198	7	2	0	263.0	232	98	113	18	66	6	0	9	1,070	6	6.78	2.26	3.00	0.62	18.5	6.2	1.13	.274	3.87	87	3.06	79	7.94	23.1
24	Jaime Navarro J. Navarro	15	1991	MIL	12	.556	34	34	3.92	114	10	2	0	234.0	237	102	117	18	73	6	0	3	1,002	10	4.38	2.81	1.56	0.69	11.4	7.3	1.32	.277	4.50	98	3.89	98	9.12	1.7
25	Jose Rijo J. Rijo	15	1991	CIN	6	.714	30	30	2.51	172	3	1	0	204.1	165	57	69	8	55	3	0	4	825	2	7.58	2.42	3.13	0.35	20.8	6.7	1.08	.267	3.04	67	2.53	65	7.27	30.2