Mike Mussina threw 23 shutouts in his career.

Interpreted as:

How many regular-season shutouts did Mike Mussina have?

	NAME	SHO	SEASON	TM	G	W	L	W%	GS	ERA	SO	CG	IP	H	ER	R	HR	BB	HBP	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	ERA-	FIP	FIP-	H/9	PRAA
1	Mike Mussina M. Mussina	0	1991	BAL	12	4	5	.444	12	2.87	52	2	87.2	77	28	31	7	21	1	0	349	3	5.34	2.16	2.48	0.72	14.9	6.0	1.12	.261	3.18	72	3.45	85	7.90	5.7
2	Mike Mussina M. Mussina	4	1992	BAL	32	18	5	.783	32	2.54	130	8	241.0	212	68	70	16	48	2	2	957	6	4.85	1.79	2.71	0.60	13.6	5.0	1.08	.258	2.61	64	3.18	80	7.92	21.1
3	Mike Mussina M. Mussina	2	1993	BAL	25	14	6	.700	25	4.46	117	3	167.2	163	83	84	20	44	3	2	693	5	6.28	2.36	2.66	1.07	16.9	6.3	1.23	.281	4.51	102	3.97	91	8.75	7.1
4	Mike Mussina M. Mussina	0	1994	BAL	24	16	5	.762	24	3.06	99	3	176.1	163	60	63	19	42	1	1	712	0	5.05	2.14	2.36	0.97	13.9	5.9	1.16	.261	3.22	63	4.13	86	8.32	12.7
5	Mike Mussina M. Mussina	4	1995	BAL	32	19	9	.679	32	3.29	158	7	221.2	187	81	86	24	50	1	4	882	2	6.42	2.03	3.16	0.97	17.9	5.7	1.07	.251	3.49	69	3.77	80	7.59	23.4
6	Mike Mussina M. Mussina	1	1996	BAL	36	19	11	.633	36	4.81	204	4	243.1	264	130	137	31	69	3	0	1,039	3	7.55	2.55	2.96	1.15	19.6	6.6	1.37	.318	5.07	97	4.03	82	9.76	23.9
7	Mike Mussina M. Mussina	1	1997	BAL	33	15	8	.652	33	3.20	218	4	224.2	197	80	87	27	54	3	3	905	5	8.73	2.16	4.04	1.08	24.1	6.0	1.12	.282	3.49	72	3.48	77	7.89	26.1
8	Mike Mussina M. Mussina	2	1998	BAL	29	13	10	.565	29	3.49	175	4	206.1	189	80	85	22	41	4	3	835	10	7.63	1.79	4.27	0.96	21.0	4.9	1.11	.282	3.71	77	3.48	76	8.24	25
9	Mike Mussina M. Mussina	0	1999	BAL	31	18	7	.720	31	3.50	172	4	203.1	207	79	88	16	52	1	0	842	2	7.61	2.30	3.31	0.71	20.4	6.2	1.27	.318	3.90	74	3.24	68	9.16	35.1
10	Mike Mussina M. Mussina	1	2000	BAL	34	11	15	.423	34	3.79	210	6	237.2	236	100	105	28	46	3	0	987	3	7.95	1.74	4.57	1.06	21.3	4.7	1.19	.297	3.98	80	3.51	73	8.94	34.7
11	Mike Mussina M. Mussina	3	2001	NYY	34	17	11	.607	34	3.15	214	4	228.2	202	80	87	20	42	4	2	909	6	8.42	1.65	5.10	0.79	23.5	4.6	1.07	.289	3.42	72	2.91	66	7.95	38.5
12	Mike Mussina M. Mussina	2	2002	NYY	33	18	10	.643	33	4.05	182	2	215.2	208	97	103	27	48	5	1	886	7	7.60	2.00	3.79	1.13	20.5	5.4	1.19	.290	4.30	92	3.63	83	8.68	17.5
13	Mike Mussina M. Mussina	1	2003	NYY	31	17	8	.680	31	3.40	195	2	214.2	192	81	86	21	40	3	4	855	4	8.18	1.68	4.88	0.88	22.8	4.7	1.08	.287	3.61	76	3.08	69	8.05	32.9
14	Mike Mussina M. Mussina	0	2004	NYY	27	12	9	.571	27	4.59	132	1	164.2	178	84	91	22	40	2	1	697	5	7.21	2.19	3.30	1.20	18.9	5.7	1.32	.311	4.97	101	3.94	88	9.73	9.8
15	Mike Mussina M. Mussina	2	2005	NYY	30	13	8	.619	30	4.41	142	2	179.2	199	88	93	23	47	7	0	766	2	7.11	2.35	3.02	1.15	18.5	6.1	1.37	.322	4.66	102	3.99	92	9.97	6.5
16	Mike Mussina M. Mussina	0	2006	NYY	32	15	7	.682	32	3.51	172	1	197.1	184	77	88	22	35	5	1	804	3	7.84	1.60	4.91	1.00	21.4	4.4	1.11	.284	4.01	77	3.45	77	8.39	23.3
17	Mike Mussina M. Mussina	0	2007	NYY	28	11	10	.524	27	5.15	91	0	152.0	188	87	90	14	35	4	2	656	1	5.39	2.07	2.60	0.83	13.9	5.3	1.47	.340	5.33	114	4.00	90	11.13	7.3
18	Mike Mussina M. Mussina	0	2008	NYY	34	20	9	.690	34	3.37	150	0	200.1	214	75	85	17	31	8	3	819	4	6.74	1.39	4.84	0.76	18.3	3.8	1.22	.321	3.82	78	3.31	77	9.61	22.3
	Total	23			537	270	153	.638	536	3.68	2,813	57	3562.2	3,460	1,458	1,559	376	785	60	29	14,593	71	7.11	1.98	3.58	0.95	19.3	5.4	1.19	.292	3.94	82	3.57	79	8.74	372.8