Between the 1990 and 1999 seasons, Randy Johnson pitched the most shutouts, with 25 shutouts.

Interpreted as:

most regular-season shutouts by MLB pitcher in 90s

	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	ERA-	FIP	FIP-	H/9	PRAA
1	Randy Johnson R. Johnson	25	298	150	75	.667	290	3.14	2,538	65	2	2063.1	1,560	721	805	183	910	98	3	13	8,557	65	11.07	3.97	2.79	0.80	29.7	10.6	1.20	.285	3.51	72	3.16	73	6.80	281.4
2	Roger Clemens R. Clemens	24	305	152	89	.631	305	3.02	2,101	57	0	2177.2	1,829	731	813	139	731	82	0	28	8,968	59	8.68	3.02	2.87	0.57	23.4	8.2	1.18	.286	3.36	66	3.02	68	7.56	333
3	Greg Maddux G. Maddux	23	331	176	88	.667	331	2.54	1,764	75	0	2394.2	2,084	677	786	111	443	60	0	74	9,563	32	6.63	1.66	3.98	0.42	18.4	4.6	1.06	.275	2.95	62	2.77	67	7.83	361.6
4	Ramon Martinez R. Martinez	18	246	118	71	.624	245	3.45	1,217	35	0	1618.0	1,426	620	715	139	649	50	1	36	6,847	30	6.77	3.61	1.88	0.77	17.8	9.5	1.28	.269	3.98	92	3.90	99	7.93	3.1
5	Kevin Brown K. Brown	16	316	143	98	.593	314	3.25	1,581	58	0	2211.1	2,107	798	917	128	605	103	1	33	9,198	74	6.43	2.46	2.61	0.52	17.2	6.6	1.23	.292	3.73	77	3.30	78	8.58	235.9
6	David Cone D. Cone	16	289	141	85	.624	287	3.21	1,928	40	0	2017.0	1,667	720	792	169	774	73	1	19	8,378	100	8.60	3.45	2.49	0.75	23.0	9.2	1.21	.276	3.53	76	3.43	80	7.44	185.5
7	Scott Erickson S. Erickson	16	310	130	108	.546	306	4.27	1,111	47	0	2013.2	2,154	956	1,045	177	697	83	2	28	8,677	57	4.97	3.12	1.59	0.79	12.8	8.0	1.42	.299	4.67	94	4.23	95	9.63	51.7
8	Mike Mussina M. Mussina	14	254	136	66	.673	254	3.50	1,325	39	0	1772.0	1,659	689	731	182	421	19	0	15	7,214	36	6.73	2.14	3.15	0.92	18.4	5.8	1.17	.280	3.71	77	3.63	80	8.43	180
9	Doug Drabek D. Drabek	14	274	108	95	.532	272	3.90	1,148	41	0	1763.1	1,748	765	825	169	489	41	1	46	7,362	66	5.86	2.50	2.35	0.86	15.6	6.6	1.27	.286	4.21	99	3.82	96	8.92	18.2
10	Tom Glavine T. Glavine	14	327	164	87	.653	327	3.21	1,465	38	0	2228.0	2,101	794	877	141	764	23	0	72	9,325	50	5.92	3.09	1.92	0.57	15.7	8.2	1.29	.283	3.54	78	3.58	86	8.49	138.4
11	Dennis Martinez D. Martinez	14	264	92	70	.568	215	3.37	882	36	3	1514.2	1,397	567	643	123	410	61	12	34	6,277	17	5.24	2.44	2.15	0.73	14.1	6.5	1.19	.265	3.82	81	3.78	93	8.30	48.9
12	John Smoltz J. Smoltz	14	315	143	95	.601	315	3.32	1,893	42	0	2142.1	1,858	791	867	170	669	34	0	49	8,803	109	7.95	2.81	2.83	0.71	21.5	7.6	1.18	.280	3.64	81	3.25	79	7.81	206.5
13	Chuck Finley C. Finley	13	316	135	108	.556	316	3.76	1,784	46	0	2144.0	2,040	896	1,004	217	888	59	0	16	9,137	102	7.49	3.73	2.01	0.91	19.5	9.7	1.37	.295	4.21	84	3.99	89	8.56	121.7
14	Jack McDowell J. McDowell	13	247	119	77	.607	245	3.88	1,212	61	0	1702.1	1,691	733	783	160	532	39	0	24	7,176	52	6.41	2.81	2.28	0.85	16.9	7.4	1.31	.293	4.14	90	3.77	88	8.94	100.6
15	Curt Schilling C. Schilling	13	317	99	79	.556	210	3.31	1,561	57	13	1668.1	1,451	613	663	148	441	30	60	33	6,802	46	8.42	2.38	3.54	0.80	22.9	6.5	1.13	.282	3.58	80	3.16	77	7.83	175.5
16	Pedro Martinez P. Martinez	11	249	107	50	.682	182	2.83	1,534	28	3	1359.1	1,050	428	476	107	410	55	23	20	5,477	38	10.16	2.71	3.74	0.71	28.0	7.5	1.07	.280	3.15	65	2.90	68	6.95	213
17	Kevin Appier K. Appier	10	287	120	90	.571	276	3.47	1,494	32	0	1867.2	1,692	721	782	140	645	40	2	30	7,796	73	7.20	3.11	2.32	0.67	19.2	8.3	1.25	.283	3.77	76	3.48	79	8.15	191.9
18	Alex Fernandez A. Fernandez	10	255	103	83	.554	253	3.73	1,225	33	0	1708.0	1,634	707	779	183	536	35	1	28	7,148	38	6.45	2.82	2.29	0.96	17.1	7.5	1.27	.281	4.10	88	3.98	92	8.61	69.2
19	Pete Harnisch P. Harnisch	10	272	97	83	.539	270	3.71	1,200	19	0	1676.1	1,531	691	758	180	580	42	0	33	7,069	32	6.44	3.11	2.07	0.97	17.0	8.2	1.26	.267	4.07	94	4.07	101	8.22	-12.1
20	Zane Smith Z. Smith	10	170	61	56	.521	163	3.58	489	18	0	1018.1	1,075	405	469	75	198	12	1	25	4,192	7	4.32	1.75	2.47	0.66	11.7	4.7	1.25	.293	4.15	90	3.55	90	9.50	43.5
21	Pedro Astacio P. Astacio	9	250	83	73	.532	207	4.32	1,029	20	0	1376.2	1,400	661	717	164	441	61	9	33	5,872	37	6.73	2.88	2.33	1.07	17.5	7.5	1.34	.296	4.69	98	4.23	97	9.15	17.5
22	Pat Hentgen P. Hentgen	9	252	105	76	.580	222	4.14	995	31	0	1555.2	1,587	716	783	191	557	37	11	19	6,675	55	5.76	3.22	1.79	1.10	14.9	8.3	1.38	.285	4.53	89	4.55	99	9.18	13.3
23	Tim Belcher T. Belcher	9	304	111	115	.491	302	4.41	1,122	27	0	1958.1	2,023	960	1,065	226	700	47	1	30	8,445	61	5.16	3.22	1.60	1.04	13.3	8.3	1.39	.283	4.89	101	4.51	102	9.30	-26.5
24	Andy Benes A. Benes	9	318	125	116	.519	314	3.79	1,655	19	1	2068.1	1,950	872	952	212	698	42	2	49	8,729	61	7.20	3.04	2.37	0.92	19.0	8.0	1.28	.284	4.14	93	3.82	91	8.49	80.3
25	Kevin Tapani K. Tapani	9	294	124	97	.561	290	4.28	1,160	24	0	1861.0	1,974	884	944	198	455	38	0	22	7,873	40	5.61	2.20	2.55	0.96	14.7	5.8	1.31	.295	4.57	97	3.93	91	9.55	82.3