which pitcher had the most wins in a month 2015

Jake Arrieta and Joe Kelly were tied for winning the most games in a month in 2015, with 6 wins in August 2015.

	NAME	W	MONTH	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	H/9
1	Jake Arrieta J. Arrieta	6	August 2015	0	1.000	6	6	0.43	43	1	1	0	42.1	19	2	4	0	10	2	0	0	159	2	9.14	2.13	4.30	0.00	27.0	6.3	0.69	.183	0.85	4.04
2	Joe Kelly J. Kelly	6	August 2015	0	1.000	6	6	2.68	28	0	0	0	37.0	35	11	12	3	11	1	0	0	151	1	6.81	2.68	2.55	0.73	18.5	7.3	1.24	.296	2.92	8.51
3	David Price D. Price	5	September 2015	0	1.000	5	5	2.32	37	0	0	0	31.0	23	8	9	1	10	0	0	0	125	0	10.74	2.90	3.70	0.29	29.6	8.0	1.06	.286	2.61	6.68
4	Clayton Kershaw C. Kershaw	5	September 2015	1	.833	6	6	1.84	58	2	1	0	44.0	27	9	10	2	9	0	0	0	164	2	11.86	1.84	6.44	0.41	35.4	5.5	0.82	.263	2.05	5.52
5	Cody Anderson C. Anderson	5	September 2015	0	1.000	6	6	1.38	20	0	0	0	39.0	29	6	6	2	14	0	0	0	155	0	4.62	3.23	1.43	0.46	12.9	9.0	1.10	.227	1.38	6.69
6	Madison Bumgarner M. Bumgarner	5	August 2015	0	1.000	5	5	1.43	53	2	1	0	37.2	23	6	6	0	4	1	0	0	140	1	12.66	0.96	13.25	0.00	37.9	2.9	0.72	.280	1.43	5.50
7	Ricky Nolasco R. Nolasco	5	May 2015	0	1.000	6	6	4.25	26	0	0	0	29.2	38	14	17	1	6	1	0	0	130	1	7.89	1.82	4.33	0.30	20.0	4.6	1.48	.385	5.16	11.53
8	A.J. Burnett	5	May 2015	0	1.000	6	6	1.82	39	0	0	0	39.2	31	8	10	1	13	1	0	0	156	1	8.85	2.95	3.00	0.23	25.0	8.3	1.11	.294	2.27	7.03
9	Max Scherzer M. Scherzer	5	May 2015	1	.833	6	6	1.67	56	0	0	0	43.0	33	8	8	3	6	1	0	0	167	1	11.72	1.26	9.33	0.63	33.5	3.6	0.91	.297	1.67	6.91
10	Marcus Stroman M. Stroman	4	September 2015	0	1.000	4	4	1.67	18	0	0	0	27.0	20	5	5	2	6	1	0	0	103	2	6.00	2.00	3.00	0.67	17.5	5.8	0.96	.237	1.67	6.67
11	Jake Arrieta J. Arrieta	4	September 2015	0	1.000	5	5	0.45	39	1	1	0	40.0	20	2	3	1	4	1	0	0	140	1	8.78	0.90	9.75	0.23	27.9	2.9	0.60	.200	0.68	4.50
12	Ervin Santana E. Santana	4	September 2015	0	1.000	5	5	1.75	34	0	0	0	36.0	27	7	7	1	11	1	0	0	140	0	8.50	2.75	3.09	0.25	24.3	7.9	1.06	.280	1.75	6.75
13	Collin McHugh C. McHugh	4	September 2015	0	1.000	5	5	4.31	29	0	0	0	31.1	33	15	15	3	9	1	0	0	132	0	8.33	2.59	3.22	0.86	22.0	6.8	1.34	.333	4.31	9.48
14	Cole Hamels C. Hamels	4	September 2015	0	1.000	6	6	3.83	37	0	0	0	40.0	41	17	18	4	8	3	0	0	169	1	8.33	1.80	4.63	0.90	21.9	4.7	1.23	.316	4.05	9.23
15	Gerrit Cole G. Cole	4	September 2015	1	.800	6	6	3.29	36	0	0	0	38.1	33	14	15	2	6	1	0	0	150	1	8.45	1.41	6.00	0.47	24.0	4.0	1.02	.295	3.52	7.75
16	Zack Greinke Z. Greinke	4	September 2015	0	1.000	5	5	2.04	28	0	0	0	35.1	23	8	8	3	8	0	0	0	133	0	7.13	2.04	3.50	0.76	21.1	6.0	0.88	.213	2.04	5.86
17	Drew Smyly D. Smyly	4	September 2015	0	1.000	6	6	2.50	45	0	0	0	36.0	27	10	10	4	13	1	0	0	144	2	11.25	3.25	3.46	1.00	31.3	9.0	1.11	.284	2.50	6.75
18	Zack Greinke Z. Greinke	4	August 2015	1	.800	5	5	2.45	36	0	0	0	33.0	25	9	10	3	6	0	0	0	130	2	9.82	1.64	6.00	0.82	27.7	4.6	0.94	.259	2.73	6.82
19	Drew Hutchison D. Hutchison	4	August 2015	0	1.000	4	4	2.45	23	0	0	0	25.2	20	7	11	2	5	1	0	0	99	1	8.06	1.75	4.60	0.70	23.2	5.1	0.97	.265	3.86	7.01
20	Yovani Gallardo Y. Gallardo	4	August 2015	0	1.000	5	5	1.98	15	0	0	0	27.1	28	6	6	1	10	1	0	0	115	0	4.94	3.29	1.50	0.33	13.0	8.7	1.39	.307	1.98	9.22
21	David Price D. Price	4	August 2015	1	.800	6	6	2.28	50	0	0	0	43.1	34	11	11	3	8	0	0	0	171	1	10.38	1.66	6.25	0.62	29.2	4.7	0.97	.282	2.28	7.06
22	R.A. Dickey	4	August 2015	0	1.000	6	6	4.17	22	0	0	0	36.2	40	17	17	5	10	1	0	1	152	2	5.40	2.45	2.20	1.23	14.5	6.6	1.36	.307	4.17	9.82
23	Jaime Garcia J. Garcia	4	August 2015	0	1.000	6	6	2.08	27	0	0	0	39.0	31	9	10	0	11	2	0	0	155	1	6.23	2.54	2.45	0.00	17.4	7.1	1.08	.270	2.31	7.15
24	Hisashi Iwakuma H. Iwakuma	4	August 2015	1	.800	6	6	3.21	37	1	1	0	42.0	28	15	15	3	10	1	0	0	162	1	7.93	2.14	3.70	0.64	22.8	6.2	0.90	.225	3.21	6.00
25	Dallas Keuchel D. Keuchel	4	August 2015	1	.800	6	6	1.94	41	0	0	0	41.2	34	9	9	2	8	1	0	0	165	2	8.86	1.73	5.13	0.43	24.8	4.8	1.01	.283	1.94	7.34