Johnny Guzman

Johnny Guzman [Dionini Ramon Guzman] played Major League Baseball between 1991-1992. His date of birth is January 21st, 1971 and he is currently 55 years old. He was born in Hatillo Palma, Dominican Republic. He was signed as an undrafted international free agent by the Oakland Athletics in 1988. Ranked by Baseball America as the Oakland Athletics No. 8 MLB prospect in 2026 pre-season Prospect rankings. Made his Major League Debut on June 8th, 1991 at the age of 20. Debuted as a relief pitcher for Oakland Athletics against the Boston Red Sox, throwing 0 innings, did not allow a run or a walk He did not factor in the decision. He allowed a single to Mike Greenwell, the first batter he faced. Historically, based on stats listed below, his most frequent teammate ...

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was John Briscoe [6 seasons]. Guzman played 6 seasons with the Athletics organization. Finished 7th in Arizona League with 16 Games Pitched in 1988. Finished 8th in Arizona League with 7 Games Finished in 1988. Finished 8th in Arizona League with 1 Saves in 1988. Finished 4th in California League with 1 Shutouts in 1990. Finished 10th in Southern League with 7.58 Hits per 9 Innings in 1990.

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Yearly Summary

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year	team name	league	level	mlb	#	age	tbc+	w	l	era	g	gs	cg	sho	gr	gf	sv	ip	h	r	er	hr	bb	so	wp	bk	hb	whip	h9	hr9	bb9	so9	ra9	so/bb
1988	Arizona Athletics	Ariz	Rk	OAK	-	17	92	0	2	8.61	16	1	0	0	15	7	1	23.0	37	27	22	1	8	18	1	0	1	1.96	14.48	0.39	3.13	7.04	10.57	2.25
1989	Southern Oregon A's	Nwst	A-	OAK	-	18	117	3	1	2.63	5	5	0	0	0	0	0	27.1	23	16	8	0	12	26	2	0	0	1.28	7.57	0.00	3.95	8.56	5.27	2.17
1989	Madison Muskies	Midw	A	OAK	-	18	98	3	3	3.74	9	9	1	0	0	0	0	45.2	41	26	19	3	21	36	1	0	2	1.36	8.08	0.59	4.14	7.09	5.12	1.71
1989	Modesto A's	Calif	A+	OAK	-	18		0	2	4.86	5	3	0	0	2	1	0	16.2	23	11	9	0	13	12	2	0	0	2.16	12.42	0.00	7.02	6.48	5.94	0.92
1990	Modesto A's	Calif	A+	OAK	-	19	119	7	4	1.91	13	13	1	1	0	0	0	84.2	67	25	18	3	23	58	2	0	4	1.06	7.12	0.32	2.44	6.17	2.66	2.52
1990	Huntsville Stars	Sou	AA	OAK	-	19	96	5	6	3.58	16	16	0	0	0	0	0	105.2	89	52	42	9	54	63	6	0	7	1.35	7.58	0.77	4.60	5.37	4.43	1.17
1991	Huntsville Stars	Sou	AA	OAK	-	20	80	2	1	3.48	7	7	0	0	0	0	0	44.0	46	17	17	3	25	23	4	0	1	1.61	9.41	0.61	5.11	4.70	3.48	0.92
1991	Tacoma Tigers	PCL	AAA	OAK	-	20	77	2	5	6.78	17	13	0	0	4	2	0	79.2	113	74	60	8	51	40	4	0	2	2.06	12.77	0.90	5.76	4.52	8.36	0.78
1991	Oakland Athletics	AL	MLB	OAK	45	20		1	0	9.00	5	0	0	0	5	1	0	5.0	11	5	5	0	2	3	0	0	0	2.60	19.80	0.00	3.60	5.40	9.00	1.50
1992	Huntsville Stars	Sou	AA	OAK	-	21	96	8	2	3.71	14	14	2	1	0	0	0	89.2	87	43	37	8	26	55	8	1	0	1.26	8.73	0.80	2.61	5.52	4.32	2.12
1992	Tacoma Tigers	PCL	AAA	OAK	-	21	105	3	6	5.11	20	9	0	0	11	4	0	68.2	70	43	39	6	24	45	1	3	0	1.37	9.17	0.79	3.15	5.90	5.64	1.88
1992	Oakland Athletics	AL	MLB	OAK	41	21		0	0	12.00	2	0	0	0	2	2	0	3.0	8	4	4	0	0	0	0	0	1	2.67	24.00	0.00	0.00	0.00	12.00	0.00
1993	Tacoma Tigers	PCL	AAA	OAK	-	22	81	2	7	7.32	20	16	0	0	4	1	0	87.1	130	87	71	7	44	50	8	0	4	1.99	13.40	0.72	4.53	5.15	8.97	1.14
Tot:	MLB (2 yrs)		MLB					1	0	10.12	7	0	0	0	7	3	0	8.0	19	9	9	0	2	3	0	0	1	2.62	21.38	0.00	2.25	3.38	10.12	1.50
Tot:	AL (2 yrs)		AL					1	0	10.12	7	0	0	0	7	3	0	8.0	19	9	9	0	2	3	0	0	1	2.62	21.38	0.00	2.25	3.38	10.12	1.50
Tot:	Minors (6 yrs)		Minors					35	39	4.58	142	106	4	2	36	15	1	672.1	726	421	342	48	301	426	39	4	21	1.53	9.72	0.64	4.03	5.70	5.64	1.42
Tot:	Rk (1 yrs)		Rk					0	2	8.61	16	1	0	0	15	7	1	23.0	37	27	22	1	8	18	1	0	1	1.96	14.48	0.39	3.13	7.04	10.57	2.25
Tot:	A- (1 yrs)		A-					3	1	2.63	5	5	0	0	0	0	0	27.1	23	16	8	0	12	26	2	0	0	1.28	7.57	0.00	3.95	8.56	5.27	2.17
Tot:	A (1 yrs)		A					3	3	3.74	9	9	1	0	0	0	0	45.2	41	26	19	3	21	36	1	0	2	1.36	8.08	0.59	4.14	7.09	5.12	1.71
Tot:	A+ (2 yrs)		A+					7	6	2.40	18	16	1	1	2	1	0	101.1	90	36	27	3	36	70	4	0	4	1.24	7.99	0.27	3.20	6.22	3.20	1.94
Tot:	AA (3 yrs)		AA					15	9	3.61	37	37	2	1	0	0	0	239.1	222	112	96	20	105	141	18	1	8	1.37	8.35	0.75	3.95	5.30	4.21	1.34
Tot:	AAA (3 yrs)		AAA					7	18	6.49	57	38	0	0	19	7	0	235.2	313	204	170	21	119	135	13	3	6	1.83	11.95	0.80	4.54	5.16	7.79	1.13
Avg:	MLB - 162 Inning avg		MLB					🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	162	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒
Avg:	Minors - 162 Inning avg		Minors					🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	162	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒

Strikeouts	Walks	Hittable	SO/BB	vs Power	Durability	Team Success
33	44	29	36	29	62	.490

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