Carlos Duran, Edwar Colina and Glenn Mickens are tied for the worst career ERA by a 23-year-old pitcher, with an ERA of 81.00.

	NAME	ERA	G	W	L	W%	GS	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	H/9
1	Carlos Duran C. Duran	81.00	1	0	0		0	0	0	0	0	0.1	1	3	3	0	3	0	0	0	5	0	0.00	81.00	0.00	0.00	0.0	60.0	12.00	.500	81.00	27.00
2	Edwar Colina E. Colina	81.00	1	0	0		0	0	0	0	0	0.1	4	3	3	1	2	0	0	0	7	0	0.00	54.00	0.00	27.00	0.0	28.6	18.00	.750	81.00	108.00
3	Glenn Mickens G. Mickens	81.00	1	0	1	.000	1	1	0	0	0	0.1	3	3	3	1	2	0	0	0	6	0	27.00	54.00	0.50	27.00	16.7	33.3	15.00	1.000	81.00	81.00
4	Ted Cather T. Cather	54.00	1	0	0		0	0	0	0	0	0.1	1		2	0	2	1	0			0	0.00	54.00	0.00	0.00		40.0	9.00	.500	54.00	27.00
5	Sean Nolin S. Nolin	40.50	1	0	1	.000	1	0	0	0	0	1.1	7	6	6	1	1	0	0	0	11	0	0.00	6.75	0.00	6.75	0.0	9.1	6.00	.667	40.50	47.25
6	Rick Surhoff R. Surhoff	40.50	1	0	1	.000	0	1	0	0	0	0.2	4	3	3	1	0	0	0	0	6	0	13.50	0.00		13.50	16.7	0.0	6.00	.750	40.50	54.00
7	Terry Felton T. Felton	40.50	1	0	0		0	1	0	0	0	1.1	4	6	6	1	2	0	0	0	10	0	6.75	13.50	0.50	6.75	10.0	20.0	4.50	.500	40.50	27.00
8	George Witt G. Witt	40.50	1	0	1	.000	1	1	0	0	0	1.1	4	6	6	1	5	0	0	0	13	0	6.75	33.75	0.20	6.75	7.7	38.5	6.75	.500	40.50	27.00
9	Doug Davis D. Davis	38.57	1	0	0		0	2	0	0	0	2.1	11	10	10	3	0	0	0	0	18	0	7.71	0.00		11.57	11.1	0.0	4.71	.615	38.57	42.43
10	Paul Spoljaric P. Spoljaric	38.57	2	0	1	.000	1	2	0	0	0	2.1	5	10	10	3	9	0	0	1	21	0	7.71	34.71	0.22	11.57	9.5	42.9	6.00	.286	38.57	19.29
11	Richard Urena R. Urena	36.00	1	0	0		0	0	0	0	0	1.0	4	4	4	1	1	0	1	0	8	0	0.00	9.00	0.00	9.00	0.0	12.5	5.00	.500	36.00	36.00
12	Denny Bautista D. Bautista	36.00	2	0	0		0	1	0	0	0	2.0	6	8	8	1	2	1	0	0	15	1	4.50	9.00	0.50	4.50	6.7	13.3	4.00	.500	36.00	27.00
13	Lefty Wallace L. Wallace	36.00	3	0	0		1	0	0	0	0	2.0	8	8	8	0	3	0	1		17	1	0.00	13.50	0.00	0.00	0.0	17.6	5.50	.571	36.00	36.00
14	Loren Bain L. Bain	33.75	1	0	0		0	0	0	0	0	1.1	5	5	5	1	1	0	0		10	0	0.00	6.75	0.00	6.75	0.0	10.0	4.50	.500	33.75	33.75
15	Greg Reynolds G. Reynolds	31.76	4	0	2	.000	3	4	0	0	0	5.2	23	20	20	4	4	1	0	1	45	0	6.35	6.35	1.00	6.35	8.9	8.9	4.76	.594	31.76	36.53
16	Ray Peters R. Peters	31.50	2	0	2	.000	2	1	0	0	0	2.0	7	7	7	0	5	0	0	0	18	0	4.50	22.50	0.20	0.00	5.6	27.8	6.00	.583	31.50	31.50
17	Roy Parker R. Parker	31.50	2	0	0		0	0	0	0	0	2.0	6	7	7	0	1	1	1		20	0	0.00	4.50	0.00	0.00	0.0	5.0	3.50	.333	31.50	27.00
18	Randy Rosario R. Rosario	30.86	2	0	0		0	2	0	0	0	2.1	7	8	8	1	0	1	1	0	15	0	7.71	0.00		3.86	13.3	0.0	3.00	.545	30.86	27.00
19	Rubby De La Rosa R. De La Rosa	27.00	1	0	0		0	0	0	0	0	0.2	0	2	2	0	2	0	0	0	4	0	0.00	27.00	0.00	0.00	0.0	50.0	3.00	.000	27.00	0.00
20	Matt Perisho M. Perisho	27.00	2	0	2	.000	2	2	0	0	0	5.0	15	15	17	2	8	2	0	0	40	0	3.60	14.40	0.25	3.60	5.0	20.0	4.60	.500	30.60	27.00
21	Jose De Jesus J. De Jesus	27.00	2	0	1	.000	1	2	0	0	0	2.2	6	8	10	0	5	0	0	1	19	0	6.75	16.88	0.40	0.00	10.5	26.3	4.13	.500	33.75	20.25
22	Dick Bates D. Bates	27.00	1	0	0		0	3	0	0	0	1.2	3	5	5	1	3	0	0	0	11	0	16.20	16.20	1.00	5.40	27.3	27.3	3.60	.500	27.00	16.20
23	Marshall Renfroe M. Renfroe	27.00	1	0	0		1	3	0	0	0	2.0	3	6	6	1	3	0	0	0	12	0	13.50	13.50	1.00	4.50	25.0	25.0	3.00	.400	27.00	13.50
24	Memo Luna M. Luna	27.00	1	0	1	.000	1	0	0	0	0	0.2	2	2	2	0	2	0	0	0	6	0	0.00	27.00	0.00	0.00	0.0	33.3	6.00	.500	27.00	27.00
25	Roy Talcott R. Talcott	27.00	1	0	0		0	0	0	0	0	0.2	1	2	2	0	2	0	0		5	0	0.00	27.00	0.00	0.00	0.0	40.0	4.50	.333	27.00	13.50