Mike Mussina had a 21-17 record versus the Red Sox in his career.

Interpreted as:

Mike Mussina record vs red sox in his career

	NAME	DATE	REC	TM		OPP	DEC	W%	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP
1	Mike Mussina M. Mussina	9/16/1991	1-0	BAL	@	BOS	W	1.000	1	2.00	3	1	0	0	9.0	10	2	2	0	0	0	0	0	34	0
2	Mike Mussina M. Mussina	7/31/1992		BAL	@	BOS			1	3.00	3	0	0	0	6.0	7	2	2	0	1	0	0	0	25	0
3	Mike Mussina M. Mussina	9/26/1992		BAL	vs	BOS			1	3.38	5	0	0	0	8.0	6	3	3	1	1	0	0	0	31	0
4	Mike Mussina M. Mussina	5/10/1993		BAL	vs	BOS			1	1.42	4	0	0	0	6.1	10	1	1	0	3	0	0	1	32	0
5	Mike Mussina M. Mussina	6/11/1993	1-0	BAL	@	BOS	W	1.000	1	6.00	4	0	0	0	6.0	8	4	4	0	2	1	0	0	29	0
6	Mike Mussina M. Mussina	9/15/1993	0-1	BAL	@	BOS	L	.000	1	14.73	3	0	0	0	3.2	9	6	6	0	4	0	0	1	22	0
7	Mike Mussina M. Mussina	5/17/1994	1-0	BAL	vs	BOS	W	1.000	1	2.25	7	0	0	0	8.0	8	2	2	1	1	0	0	0	33	0
8	Mike Mussina M. Mussina	6/11/1994	1-0	BAL	@	BOS	W	1.000	1	2.08	5	0	0	0	8.2	5	2	2	0	1	0	0	0	30	0
9	Mike Mussina M. Mussina	6/23/1995	1-0	BAL	vs	BOS	W	1.000	1	2.70	4	0	0	0	6.2	7	2	2	1	4	0	0	0	29	0
10	Mike Mussina M. Mussina	8/12/1995	0-1	BAL	@	BOS	L	.000	1	7.11	5	0	0	0	6.1	11	5	5	0	2	0	0	2	30	0
11	Mike Mussina M. Mussina	9/11/1995		BAL	vs	BOS			1	5.14	8	0	0	0	7.0	7	4	4	2	2	0	0	0	29	0
12	Mike Mussina M. Mussina	4/18/1996	0-1	BAL	vs	BOS	L	.000	1	7.50	1	0	0	0	6.0	10	5	6	0	0	0	0	0	27	0
13	Mike Mussina M. Mussina	7/4/1996	1-0	BAL	vs	BOS	W	1.000	1	2.25	7	0	0	0	8.0	5	2	2	1	1	0	0	0	30	0
14	Mike Mussina M. Mussina	7/21/1996		BAL	@	BOS			1	3.86	3	0	0	0	7.0	5	3	3	0	5	0	0	0	29	0
15	Mike Mussina M. Mussina	4/27/1997		BAL	vs	BOS			1	7.50	5	0	0	0	6.0	8	5	5	2	1	0	0	0	25	0
16	Mike Mussina M. Mussina	7/9/1998		BAL	vs	BOS			1	2.57	5	0	0	0	7.0	5	2	2	2	3	0	0	0	29	0
17	Mike Mussina M. Mussina	9/17/1998		BAL	vs	BOS			1	2.00	10	0	0	0	9.0	6	2	2	1	4	0	0	0	36	0
18	Mike Mussina M. Mussina	9/27/1998	0-1	BAL	@	BOS	L	.000	1	5.40	4	0	0	0	5.0	6	3	4	1	2	1	0	0	24	0
19	Mike Mussina M. Mussina	6/24/1999	0-1	BAL	vs	BOS	L	.000	1	2.00	10	1	0	0	9.0	7	2	2	1	0	0	0	0	33	0
20	Mike Mussina M. Mussina	7/21/1999	1-0	BAL	@	BOS	W	1.000	1	1.13	3	0	0	0	8.0	4	1	1	0	2	0	0	0	28	0
21	Mike Mussina M. Mussina	9/24/1999	1-0	BAL	@	BOS	W	1.000	1	0.00	8	0	0	0	6.0	4	0	0	0	1	0	0	0	21	0
22	Mike Mussina M. Mussina	5/14/2000	0-1	BAL	vs	BOS	L	.000	1	3.86	4	0	0	0	7.0	6	3	3	2	3	0	0	0	29	0
23	Mike Mussina M. Mussina	6/27/2000		BAL	@	BOS			1	1.29	10	0	0	0	7.0	6	1	1	0	1	0	0	0	28	1
24	Mike Mussina M. Mussina	9/24/2000	1-0	BAL	@	BOS	W	1.000	1	0.00	15	0	0	0	7.0	5	0	0	0	0	0	0	0	27	0
25	Mike Mussina M. Mussina	4/16/2001	0-1	NYY	@	BOS	L	.000	1	3.86	6	0	0	0	7.0	8	3	3	0	0	0	0	0	29	1
	Total		21-17					.553	57	3.66	314	5	2	0	376.2	363	153	165	41	99	11	0	6	1,545	5