which pitcher has the most shutouts in the month of september

Grover Alexander has the most career shutouts in the month of September, with 26 shutouts.

Interpreted as:

Which pitcher has the most regular-season shutouts in the month of september?

	NAME	SHO	G	W	L	W%	GS	ERA	SO	CG	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	Grover Alexander G. Alexander	26	125	69	32	.683	111	2.15	378	84	8	975.2	897		307	23	155	9	13		3,890	4	3.49	1.43	2.44	0.21	9.7	4.0	1.08	.263	2.83	8.27
2	Walter Johnson W. Johnson	18	124	67	38	.638	104	1.57	571	85	6	914.2	758		279	13	167	29	19			21	5.62	1.64	3.42	0.13		4.6	1.01	.263	2.75	7.46
3	Warren Spahn W. Spahn	16	140	76	37	.673	124	2.87	468	80	3	968.1	862	309	353	75	239	6	8	11	3,933	9	4.35	2.22	1.96	0.70	11.9	6.1	1.14	.250	3.28	8.01
4	Don Drysdale D. Drysdale	15	86	35	21	.625	76	2.22	366	26	1	567.1	472	140	172	41	127	22	7	20	2,276	16	5.81	2.01	2.88	0.65	16.1	5.6	1.06	.251	2.73	7.49
5	Ed Walsh E. Walsh	15	80	35	25	.583	62	0.36	395	48	6	570.1	461		166	2	113	13	16			21	6.23	1.78	3.50	0.03		5.6	1.01	.307	2.62	7.27
6	Tom Seaver T. Seaver	14	110	65	30	.684	110	2.74	650	42	0	822.0	638	250	270	53	238	12	0	17	3,285	20	7.12	2.61	2.73	0.58	19.8	7.2	1.07	.251	2.96	6.99
7	Don Sutton D. Sutton	13	125	59	34	.634	121	2.81	622	34	1	875.2	727	273	304	68	217	11	2	14	3,517	21	6.39	2.23	2.87	0.70	17.7	6.2	1.08	.254	3.12	7.47
8	Jim Palmer J. Palmer	12	106	50	30	.625	99	2.78	403	43	0	755.2	640	233	246	65	217	3	1	7	3,049	12	4.80	2.58	1.86	0.77	13.2	7.1	1.13	.244	2.93	7.62
9	Mickey Lolich M. Lolich	12	102	35	41	.461	86	3.55	493	30	0	625.2	575	247	268	58	193	17	5	12	2,607	27	7.09	2.78	2.55	0.83	18.9	7.4	1.23	.280	3.86	8.27
10	Jim Maloney J. Maloney	12	63	27	18	.600	49	2.67	385	19	2	391.0	266	116	132	11	184	9	6	6	1,609	23	8.86	4.24	2.09	0.25	23.9	11.4	1.15	.250	3.04	6.12
11	Art Nehf A. Nehf	12	77	33	20	.623	55	2.30	176	37	4	489.0	429		153	14	116	7	17			5	3.24	2.13	1.52	0.26		6.0	1.11	.254	2.82	7.90
12	Doc White D. White	12	78	40	24	.625	69	0.83	288	51	1	552.2	470		209	2	121	25	8			10	4.69	1.97	2.38	0.03		5.8	1.07	.285	3.40	7.65
13	Bert Blyleven B. Blyleven	11	112	47	45	.511	112	2.97	628	52	0	841.1	747	278	306	57	220	28	0	12	3,428	19	6.72	2.35	2.85	0.61	18.3	6.4	1.15	.277	3.27	7.99
14	Luis Tiant L. Tiant	11	100	51	21	.708	89	2.79	473	38	0	652.2	507	202	207	54	192	6	5	8	2,611	5	6.52	2.65	2.46	0.74	18.1	7.4	1.07	.240	2.85	6.99
15	Gaylord Perry G. Perry	11	129	58	38	.604	110	2.49	625	57	2	893.1	755	247	297	46	239	16	5	21	3,632	33	6.30	2.41	2.62	0.46	17.2	6.6	1.11	.262	2.99	7.61
16	Ed Reulbach E. Reulbach	11	89	37	26	.587	72	1.07	290	49	1	615.1	524		211	5	181	24	14			12	4.24	2.65	1.60	0.07		7.6	1.15	.274	3.09	7.66
17	Addie Joss A. Joss	11	49	29	15	.659	45	0.34	141	43	0	397.2	315		106	3	62	7	4			4	3.19	1.40	2.27	0.07		4.1	0.95	.238	2.40	7.13
18	Christy Mathewson C. Mathewson	11	113	62	34	.646	97	1.05	483	83	3	841.2	760		268	16	130	3	12			25	5.16	1.39	3.72	0.17		3.9	1.06	.273	2.87	8.13
19	Eddie Plank E. Plank	11	113	61	31	.663	90	1.33	427	70	4	807.1	697		241	4	183	39	21			15	4.76	2.04	2.33	0.04		6.3	1.09	.309	2.69	7.77
20	Dennis Leonard D. Leonard	10	67	32	25	.561	63	3.43	286	27	0	459.0	421	175	191	37	142	13	1	12	1,904	18	5.61	2.78	2.01	0.73	15.0	7.5	1.23	.269	3.75	8.25
21	Vida Blue V. Blue	10	93	39	29	.574	91	3.35	382	19	0	598.1	530	223	256	47	236	4	0	9	2,513	19	5.75	3.55	1.62	0.71	15.2	9.4	1.28	.262	3.85	7.97
22	Jim Bunning J. Bunning	10	108	42	31	.575	90	3.21	480	31	3	670.1	609	239	259	68	174	27	9	13	2,767	11	6.44	2.34	2.76	0.91	17.3	6.3	1.17	.268	3.48	8.18
23	Hal Newhouser H. Newhouser	10	86	37	24	.607	63	3.00	321	37	1	497.2	433	166	181	22	202	2	13		2,087	10	5.81	3.65	1.59	0.40	15.4	9.7	1.28	.267	3.27	7.83
24	Cy Falkenberg C. Falkenberg	10	56	25	21	.543	44	0.57	211	33	2	381.1	334		150	2	119	11	10			10	4.98	2.81	1.77	0.05		8.5	1.19	.313	3.54	7.88
25	Vic Willis V. Willis	10	69	38	24	.613	64	0.40	263	56	1	545.2	446		185	7	141	8	5			6	4.34	2.33	1.87	0.12		6.6	1.08	.256	3.05	7.36