what pitcher had the most shutouts in the 1920s

Between the 1920 and 1929 seasons, Walter Johnson pitched the most shutouts, with 24 shutouts.

Interpreted as:

What pitcher had the most regular-season shutouts in the 1920s?

	NAME	SHO	G	W	L	W%	GS	ERA	SO	CG	SV	IP	H	ER	R	HR	BB	HBP	GF	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	ERA-	FIP	FIP-	H/9	PRAA
1	Walter Johnson W. Johnson	24	258	120	88	.577	227	3.33	895	143	12	1823.2	1,768	675	799	66	545	63	28	7,669	25	4.42	2.69	1.64	0.33	11.7	7.1	1.27	.279	3.94	84	3.49	89	8.73	88
2	Dazzy Vance D. Vance	22	266	147	90	.620	244	3.10	1,464	172	4	2053.2	1,891	708	820	83	583	61	18	8,506	24	6.42	2.55	2.51	0.36	17.2	6.9	1.20	.286	3.59	77	3.05	76	8.29	219.9
3	Urban Shocker U. Shocker	22	330	156	93	.627	261	3.34	753	168	22	2148.2	2,256	797	946	117	484	26	53	9,020	10	3.15	2.03	1.56	0.49	8.3	5.4	1.28	.280	3.96	80	3.71	90	9.45	102.2
4	Stan Coveleski S. Coveleski	21	274	133	89	.599	253	3.20	558	137	9	1933.2	2,041	688	851	53	510	18	16	8,171	21	2.60	2.37	1.09	0.25	6.8	6.2	1.32	.283	3.96	78	3.57	88	9.50	97.7
5	Sad Sam Jones S. Sam Jones	21	363	137	118	.537	278	3.83	718	150	23	2230.0	2,345	948	1,137	85	791	36	59	9,559	37	2.90	3.19	0.91	0.34	7.5	8.3	1.41	.285	4.59	95	3.95	99	9.46	9.4
6	Dolf Luque D. Luque	21	353	138	146	.486	302	3.09	904	168	8	2479.2	2,446	851	1,059	75	688	21	38	10,321	35	3.28	2.50	1.31	0.27	8.8	6.7	1.26	.275	3.84	82	3.52	93	8.88	74.3
7	Herb Pennock H. Pennock	21	352	163	112	.593	286	3.44	731	181	23	2313.0	2,485	883	1,038	87	556	21	48	9,743	28	2.84	2.16	1.31	0.34	7.5	5.7	1.31	.287	4.04	86	3.60	91	9.67	88.4
8	Grover Alexander G. Alexander	20	325	165	105	.611	290	3.04	653	194	16	2415.1	2,528	816	982	111	349	15	29	9,893	18	2.43	1.30	1.87	0.41	6.6	3.5	1.19	.276	3.66	77	3.48	88	9.42	127
9	Burleigh Grimes B. Grimes	20	373	190	130	.594	336	3.52	1,018	234	11	2797.2	2,988	1,093	1,354	105	842	62	31	12,039	51	3.27	2.71	1.21	0.34	8.5	7.0	1.37	.288	4.36	90	3.72	94	9.61	69.1
10	Jesse Haines J. Haines	20	346	153	119	.563	293	3.61	742	169	5	2328.1	2,490	935	1,132	122	644	47	32	9,897	33	2.87	2.49	1.15	0.47	7.5	6.5	1.35	.284	4.38	92	3.92	99	9.62	3.6
11	Eppa Rixey E. Rixey	20	386	166	142	.539	330	3.24	686	185	10	2678.1	2,827	964	1,169	59	567	37	47	11,150	38	2.31	1.91	1.21	0.20	6.2	5.1	1.27	.282	3.93	85	3.44	89	9.50	117.2
12	Jack Quinn J. Quinn	19	368	131	111	.541	251	3.50	575	124	22	2042.0	2,317	795	983	65	432	47	68	8,739	24	2.53	1.90	1.33	0.29	6.6	4.9	1.35	.296	4.33	85	3.54	86	10.21	126.3
13	Red Faber R. Faber	17	316	149	116	.562	297	3.34	804	181	4	2364.0	2,429	878	1,045	73	664	47	14	9,958	28	3.06	2.53	1.21	0.28	8.1	6.7	1.31	.281	3.98	83	3.62	90	9.25	101.7
14	Waite Hoyt W. Hoyt	17	379	161	102	.612	280	3.51	748	160	30	2346.0	2,464	914	1,080	88	669	33	80	9,964	25	2.87	2.57	1.12	0.34	7.5	6.7	1.34	.282	4.14	87	3.75	94	9.45	57.6
15	Eddie Rommel E. Rommel	17	424	154	108	.588	230	3.47	530	132	25	2243.1	2,367	865	1,054	116	652	31	138	9,531	25	2.13	2.62	0.81	0.47	5.6	6.8	1.35	.274	4.23	82	4.11	98	9.50	21.7
16	Pete Donohue P. Donohue	16	308	126	107	.541	248	3.68	532	132	12	1962.0	2,210	803	969	57	376	43	45	8,355	10	2.44	1.72	1.41	0.26	6.4	4.5	1.32	.293	4.44	95	3.49	90	10.14	81.2
17	Wilbur Cooper W. Cooper	16	248	120	95	.558	221	3.36	577	151	3	1793.0	1,946	669	805	74	395	51	18	7,562	14	2.90	1.98	1.46	0.37	7.6	5.2	1.31	.290	4.04	87	3.62	93	9.77	54.9
18	George Uhle G. Uhle	16	356	152	124	.551	285	3.97	808	182	16	2309.2	2,570	1,019	1,214	64	719	90	51	10,125	43	3.15	2.80	1.12	0.25	8.0	7.1	1.42	.297	4.73	95	3.72	90	10.01	112.1
19	Jesse Barnes J. Barnes	15	283	99	104	.488	215	3.62	371	116	11	1716.0	1,914	690	845	74	370	11	43	7,258	14	1.95	1.94	1.00	0.39	5.1	5.1	1.33	.286	4.43	97	3.77	101	10.04	-9.8
20	Hal Carlson H. Carlson	15	310	95	96	.497	197	4.19	454	102	18	1636.0	1,922	762	872	87	391	29	73	7,050	14	2.50	2.15	1.16	0.48	6.4	5.5	1.41	.301	4.80	103	3.89	95	10.57	42.2
21	Lee Meadows L. Meadows	15	287	128	103	.554	255	3.66	574	146	2	1946.1	2,130	792	973	65	524	48	19	8,317	30	2.65	2.42	1.10	0.30	6.9	6.3	1.36	.291	4.50	90	3.71	90	9.85	92.9
22	Bob Shawkey B. Shawkey	15	270	106	83	.561	183	3.45	788	99	14	1612.2	1,590	618	721	87	565	23	58	6,786	28	4.40	3.15	1.39	0.49	11.6	8.3	1.34	.282	4.02	85	3.80	95	8.87	35.9
23	Tom Zachary T. Zachary	15	336	128	122	.512	263	3.74	426	126	11	2018.1	2,313	838	1,017	77	609	33	50	8,685	24	1.90	2.72	0.70	0.34	4.9	7.0	1.45	.297	4.53	93	4.01	101	10.31	-12.9
24	Babe Adams B. Adams	14	174	63	45	.583	107	3.36	246	57	10	930.2	993	347	408	32	104	9	41	3,830	8	2.38	1.01	2.37	0.31	6.4	2.7	1.18	.279	3.95	87	3.23	84	9.60	62.2
25	Rip Collins R. Collins	14	259	94	70	.573	185	3.97	460	75	3	1432.2	1,497	632	781	57	572	75	37	6,263	42	2.89	3.59	0.80	0.36	7.3	9.1	1.44	.282	4.91	96	4.23	103	9.40	-17.6