lhp with the most wins in a season for the red sox

Mel Parnell has won the most games by a Red Sox left-hander in a season, with 25 wins in 1949.

	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	Mel Parnell M. Parnell	25	1949	BSA	7	.781	39	33	2.77	122	27	4	2	295.1	258	91	102	8	134	5	5		1,240	9	3.72	4.08	0.91	0.24	9.8	10.8	1.33	.257	3.11	62	3.45	77	7.86	32.6
2	Babe Ruth B. Ruth	24	1917	BSA	13	.649	41	38	2.01	128	35	6	2	326.1	244	73	93	2	108	11	3		1,277	5	3.53	2.98	1.19	0.06	10.0	8.5	1.08	.235	2.56	80	2.65	100	6.73	-2
3	Babe Ruth B. Ruth	23	1916	BSA	12	.657	44	40	1.75	170	23	9	1	323.2	230	63	83	0	118	8	3		1,272	3	4.73	3.28	1.44	0.00	13.4	9.3	1.08	.236	2.31	65	2.43	90	6.40	8.8
4	Jesse Tannehill J. Tannehill	22	1905	BSA	9	.710	37	32	2.48	113	27	6	0	271.2	238	75	91	7	59	13	5		1,075	3	3.74	1.95	1.92	0.23	10.5	5.5	1.09	.262	3.01	92	2.82	102	7.88	-1
5	Mel Parnell M. Parnell	21	1953	BOS	8	.724	38	34	3.06	136	12	5	0	241.0	217	82	98	15	116	4	2		1,037	7	5.08	4.33	1.17	0.56	13.1	11.2	1.38	.264	3.66	71	3.77	87	8.10	15.3
6	Jesse Tannehill J. Tannehill	21	1904	BSA	11	.656	33	31	2.04	116	30	4	0	281.2	256	64	89	5	33	13	2		1,099	3	3.71	1.05	3.52	0.16	10.6	3.0	1.03	.269	2.84	77	2.32	90	8.18	8.2
7	Lefty Grove L. Grove	20	1935	BSA	12	.625	35	30	2.70	121	23	2	1	273.0	269	82	105	6	65	3	4		1,137	2	3.99	2.14	1.86	0.20	10.6	5.7	1.22	.279	3.46	58	3.20	70	8.87	41.5
8	Ray Collins R. Collins	20	1914	BSA	13	.606	39	30	2.51	72	16	6	0	272.1	252	76	95	3	56	0	6		1,033	1	2.38	1.85	1.29	0.10	7.0	5.4	1.13	.276	3.14	94	2.67	96	8.33	2.6
9	Eduardo Rodriguez E. Rodriguez	19	2019	BOS	6	.760	34	34	3.81	213	0	0	0	203.1	195	86	88	24	75	7	0	2	859	3	9.43	3.32	2.84	1.06	24.8	8.7	1.33	.317	3.90	79	3.85	85	8.63	15.1
10	Jon Lester J. Lester	19	2010	BOS	9	.679	32	32	3.25	225	2	0	0	208.0	167	75	81	14	83	10	0	0	861	6	9.74	3.59	2.71	0.61	26.1	9.6	1.20	.289	3.50	75	3.12	76	7.23	23.3
11	Dutch Leonard D. Leonard	19	1914	BSA	5	.792	36	25	0.96	176	17	7	3	224.2	139	24	34	3	60	8	8		842	2	7.05	2.40	2.93	0.12	20.9	7.1	0.89	.229	1.36	36	1.95	70	5.57	20.4
12	Ray Collins R. Collins	19	1913	BSA	8	.704	30	30	2.63	88	19	3	0	246.2	242	72	88	3	37	2	0		956	0	3.21	1.35	2.38	0.11	9.2	3.9	1.13	.289	3.21	91	2.47	84	8.83	12.4
13	Bruce Hurst B. Hurst	18	1988	BOS	6	.750	33	32	3.66	166	7	1	0	216.2	222	88	98	21	65	2	0	1	922	5	6.90	2.70	2.55	0.87	18.0	7.0	1.32	.301	4.07	90	3.42	88	9.22	11.1
14	Mickey McDermott M. McDermott	18	1953	BOS	10	.643	32	30	3.01	92	8	4	0	206.1	169	69	82	9	109	2	1		876	5	4.01	4.75	0.84	0.39	10.5	12.4	1.35	.241	3.58	70	3.88	89	7.37	10.7
15	Mel Parnell M. Parnell	18	1951	BSA	11	.621	36	29	3.26	77	11	3	2	221.0	229	80	99	11	77	0	4		930	2	3.14	3.14	1.00	0.45	8.3	8.3	1.38	.285	4.03	73	3.47	80	9.33	20.7
16	Mel Parnell M. Parnell	18	1950	BSA	10	.643	40	31	3.61	93	21	2	3	249.0	244	100	116	17	106	7	8		1,070	4	3.36	3.83	0.88	0.61	8.7	9.9	1.41	.268	4.19	74	4.09	87	8.82	17.3
17	Dutch Leonard D. Leonard	18	1916	BSA	12	.600	48	35	2.36	144	17	6	6	274.0	244	72	87	6	66	8	13		1,060	8	4.73	2.17	2.18	0.20	13.6	6.2	1.13	.285	2.86	87	2.36	87	8.01	9.8
18	Babe Ruth B. Ruth	18	1915	BSA	8	.692	32	28	2.44	112	16	1	0	217.2	166	59	80	3	85	6	3		874	9	4.63	3.51	1.32	0.12	12.8	9.7	1.15	.244	3.31	85	2.81	97	6.86	1.8
19	Drew Pomeranz D. Pomeranz	17	2017	BOS	6	.739	32	32	3.32	174	0	0	0	173.2	166	64	69	19	69	4	0	0	740	6	9.02	3.58	2.52	0.98	23.5	9.3	1.35	.310	3.58	72	3.83	88	8.60	9.9
20	Chris Sale C. Sale	17	2017	BOS	8	.680	32	32	2.90	308	1	0	0	214.1	165	69	73	24	43	8	0	0	851	3	12.93	1.81	7.16	1.01	36.2	5.1	0.97	.301	3.07	63	2.45	56	6.93	45.5
21	David Price D. Price	17	2016	BOS	9	.654	35	35	3.99	228	2	0	0	230.0	227	102	106	30	50	7	0	1	951	4	8.92	1.96	4.56	1.17	24.0	5.3	1.20	.310	4.15	90	3.59	86	8.88	15.5
22	Bill Lee B. Lee	17	1975	BOS	9	.654	41	34	3.95	78	17	4	0	260.0	274	114	123	20	69	3	0	1	1,093	2	2.70	2.39	1.13	0.69	7.1	6.3	1.32	.275	4.26	97	3.81	96	9.48	4.8
23	Bill Lee B. Lee	17	1974	BOS	15	.531	38	37	3.51	95	16	1	0	282.1	320	110	123	25	67	4	0	0	1,190	3	3.03	2.14	1.42	0.80	8.0	5.6	1.37	.295	3.92	91	3.80	101	10.20	-0.4
24	Bill Lee B. Lee	17	1973	BOS	11	.607	38	33	2.75	120	18	1	1	284.2	275	87	100	20	76	5	1	2	1,173	3	3.79	2.40	1.58	0.63	10.2	6.5	1.23	.268	3.16	68	3.48	86	8.69	17.2
25	Mickey Harris M. Harris	17	1946	BSA	9	.654	34	30	3.64	131	15	0	0	222.2	236	90	105	18	76	3	0		975	2	5.29	3.07	1.72	0.73	13.4	7.8	1.40	.292	4.24	101	3.32	94	9.54	5.7