Juan Guzman had a 10-3 record with an ERA of 2.99 and 123 strikeouts in 23 appearances in his rookie season in 1991.

		NAME	SEASON	TM	G	W	L	W%	GS	ERA	SO	CG	SHO	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		Juan Guzman J. Guzman	1991	TOR	23	10	3	.769	23	2.99	123	1	0	0	138.2	98	46	53	6	66	4	0	0	574	10	7.98	4.28	1.86	0.39	21.4	11.5	1.18	.245	3.44	72	3.15	76	6.36	15.3

Games

	NAME	DATE	SEASON	TM		OPP	DEC	GS	ERA	SO	CG	IP	H	ER	R	HR	BB	HBP	TBF	WP
1	Juan Guzman J. Guzman	10/5/1991	1991	TOR	@	MIN	L	1	3.00	2	0	3.0	3	1	1	0	1	0	12	1
2	Juan Guzman J. Guzman	10/1/1991	1991	TOR	vs	CAL	W	1	1.29	6	0	7.0	5	1	1	0	1	0	26	1
3	Juan Guzman J. Guzman	9/27/1991	1991	TOR	vs	MIN	W	1	2.25	9	0	8.0	3	2	2	1	3	1	30	0
4	Juan Guzman J. Guzman	9/22/1991	1991	TOR	@	OAK	W	1	0.00	7	0	8.0	2	0	2	0	4	0	30	1
5	Juan Guzman J. Guzman	9/17/1991	1991	TOR	@	SEA		1	4.50	1	0	6.0	8	3	3	0	3	0	28	0
6	Juan Guzman J. Guzman	9/13/1991	1991	TOR	vs	OAK	W	1	8.53	10	0	6.1	7	6	6	1	4	0	30	0
7	Juan Guzman J. Guzman	9/6/1991	1991	TOR	@	CLE	W	1	0.00	6	0	7.0	2	0	0	0	4	0	25	0
8	Juan Guzman J. Guzman	9/1/1991	1991	TOR	@	NYY		1	1.50	5	0	6.0	5	1	1	0	1	0	24	1
9	Juan Guzman J. Guzman	8/27/1991	1991	TOR	@	BAL	W	1	1.00	8	1	9.0	5	1	1	0	0	1	32	1
10	Juan Guzman J. Guzman	8/22/1991	1991	TOR	vs	MIL		1	4.50	3	0	6.0	6	3	3	1	2	0	27	0
11	Juan Guzman J. Guzman	8/17/1991	1991	TOR	@	DET		1	3.86	6	0	4.2	3	2	2	0	7	0	23	1
12	Juan Guzman J. Guzman	8/12/1991	1991	TOR	vs	BOS		1	9.00	5	0	5.0	8	5	5	0	3	0	26	2
13	Juan Guzman J. Guzman	8/7/1991	1991	TOR	vs	DET	W	1	1.29	9	0	7.0	2	1	2	1	2	0	26	0
14	Juan Guzman J. Guzman	8/1/1991	1991	TOR	vs	CLE		1	9.00	4	0	3.0	3	3	4	0	6	1	19	0
15	Juan Guzman J. Guzman	7/27/1991	1991	TOR	vs	KCR		1	1.23	8	0	7.1	5	1	2	0	5	0	30	0
16	Juan Guzman J. Guzman	7/21/1991	1991	TOR	@	TEX		1	6.00	4	0	6.0	7	4	4	1	1	0	25	0
17	Juan Guzman J. Guzman	7/15/1991	1991	TOR	@	KCR		1	3.60	5	0	5.0	4	2	2	0	3	0	23	2
18	Juan Guzman J. Guzman	7/7/1991	1991	TOR	@	SEA	W	1	1.13	6	0	8.0	3	1	1	0	3	0	29	0
19	Juan Guzman J. Guzman	7/2/1991	1991	TOR	vs	MIN		1	3.00	1	0	3.0	1	1	2	0	3	1	14	0
20	Juan Guzman J. Guzman	6/27/1991	1991	TOR	@	MIN	W	1	0.00	6	0	7.2	3	0	0	0	2	0	28	0
21	Juan Guzman J. Guzman	6/22/1991	1991	TOR	vs	CLE	W	1	0.00	6	0	7.0	3	0	0	0	2	0	26	0
22	Juan Guzman J. Guzman	6/15/1991	1991	TOR	vs	BAL	L	1	9.00	1	0	4.0	4	4	5	1	3	0	18	0
23	Juan Guzman J. Guzman	6/7/1991	1991	TOR	@	BAL	L	1	7.71	5	0	4.2	6	4	4	0	3	0	23	0
	Total							23	2.99	123	1	138.2	98	46	53	6	66	4	574	10