42 pitchers didn't start any games in their careers. The first three are Joe Cleary, Miles Mastrobuoni and Fritz Fisher.

Interpreted as:

worst era starting in the regular season player

	NAME	GS	ERA	G	W	L	W%	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	Joe Cleary J. Cleary	0	189.00	1	0	0		1	0	0	0	0.1	5	7	7	0	3	0	0		9	1	27.00	81.00	0.33	0.00	11.1	33.3	24.00	1.000	189.00	5852	23.54	708	135.00	-0.8
2	Andy Sommerville A. Sommerville	1	162.00	1	0	1	.000	0	0	0	0	0.1	1	6	6	0	5	0	0		7	1	0.00	135.00	0.00	0.00	0.0	71.4	18.00	.500	162.00	3235	48.81	975	27.00	-1.7
3	Blair Henley B. Henley	1	135.00	1	0	0		0	0	0	0	0.1	4	5	5	0	3	1	0	0	9	0	0.00	81.00	0.00	0.00	0.0	33.3	21.00	.800	135.00	3398	39.16	968	108.00	-1.3
4	Miles Mastrobuoni M. Mastrobuoni	0	108.00	1	0	0		0	0	0	0	0.1	4	4	4	1	0	0	1	0	5	0	0.00	0.00		27.00	0.0	0.0	12.00	.750	108.00	2543	42.25	985	108.00	-1.4
5	Fritz Fisher F. Fisher	0	108.00	1	0	0		1	0	0	0	0.1	2	4	4	0	2	0	0	0	5	0	27.00	54.00	0.50	0.00	20.0	40.0	12.00	1.000	108.00	2892	14.60	376	54.00	-0.4
6	Frank Wurm F. Wurm	1	108.00	1	0	0		1	0	0	0	0.1	1	4	4	0	5	0	0		7	0	27.00	135.00	0.20	0.00	14.3	71.4	18.00	1.000	108.00	2991	41.54	1147	27.00	-1.4
7	Carlos Duran C. Duran	0	81.00	1	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	2036	30.08	735	27.00	-1
8	Matt Mervis M. Mervis	0	81.00	1	0	0		0	0	0	0	0.2	7	6	6	0	0	0	0	0	9	0	0.00	0.00		0.00	0.0	0.0	10.50	.778	81.00	2022	3.16	79	94.50	0.1
9	Roel Ramirez R. Ramirez	0	81.00	2	0	0		1	0	0	0	1.0	7	9	9	4	3	0	0	0	12	1	9.00	27.00	0.33	36.00	8.3	25.0	10.00	.750	81.00	1923	62.18	1448	63.00	-6.6
10	Edwar Colina E. Colina	0	81.00	1	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	1850	60.18	1369	108.00	-2.1
11	Carlos Gomez C. Gomez	0	81.00	1	0	0		0	0	0	0	0.1	0	3	3	0	4	0	0	0	5	0	0.00	108.00	0.00	0.00	0.0	80.0	12.00	.000	81.00	1978	39.16	965	0.00	-1.4
12	Ricky Pickett R. Pickett	0	81.00	2	0	0		2	0	0	0	0.2	3	6	6	0	4	0	0	0	9	1	27.00	54.00	0.50	0.00	22.2	44.4	10.50	1.000	81.00	1877	15.13	348	40.50	-0.8
13	Terry Wilshusen T. Wilshusen	0	81.00	1	0	0		0	0	0	0	0.1	0	3	3	0	2	1	0	0	4	0	0.00	54.00	0.00	0.00	0.0	50.0	6.00	.000	81.00	2258	29.56	828	0.00	-1
14	Art Goodwin A. Goodwin	0	81.00	1	0	0		0	0	0	0	0.1	2	3	4	0	2	0	0		5	1	0.00	54.00	0.00	0.00	0.0	40.0	12.00	.667	108.00	2832	20.52	701	54.00	-0.6
15	Brailyn Marquez B. Marquez	0	67.50	1	0	0		1	0	0	0	0.2	2	5	5	0	3	0	0	0	7	2	13.50	40.50	0.33	0.00	14.3	42.9	7.50	.667	67.50	1527	13.68	311	27.00	-0.7
16	Jay Sborz J. Sborz	0	67.50	1	0	0		1	0	0	0	0.2	3	5	5	0	0	2	0	0	7	0	13.50	0.00		0.00	14.3	0.0	4.50	.750	67.50	1599	9.07	216	40.50	-0.4
17	Manny Alexander M. Alexander	0	67.50	1	0	0		0	0	0	0	0.2	1	5	5	1	4	0	1	0	7	0	0.00	54.00	0.00	13.50	0.0	57.1	7.50	.000	67.50	1366	40.66	828	13.50	-2.6
18	Larry Harlow L. Harlow	0	67.50	1	0	0		1	0	0	0	0.2	2	5	5	1	4	0	0	0	8	1	13.50	54.00	0.25	13.50	12.5	50.0	9.00	.500	67.50	1888	37.07	996	27.00	-2.5
19	Lino Urdaneta L. Urdaneta	0	63.00	3	0	0		0	0	0	0	1.0	7	7	7	1	1	0	0	0	11	0	0.00	9.00	0.00	9.00	0.0	9.1	8.00	.667	63.00	210	16.23	365	63.00	-1.3
20	John Mabry J. Mabry	0	63.00	2	0	0		0	0	0	0	1.0	6	7	7	0	4	0	1	0	13	0	0.00	36.00	0.00	0.00	0.0	30.8	10.00	.667	63.00	1458	15.10	342	54.00	-1.2
21	Frank Schneiberg F. Schneiberg	0	63.00	1	0	0		0	0	0	0	1.0	5	7	8	0	4	0	0		12	0	0.00	36.00	0.00	0.00	0.0	33.3	9.00	.625	72.00	2148	14.32	501	45.00	-1.3
22	Jim Garry J. Garry	0	63.00	1	0	1	.000	2	0	0	0	1.0	5	7	8	0	4	0	0		12	0	18.00	36.00	0.50	0.00	16.7	33.3	9.00	.833	72.00	1300	11.24	232	45.00	-0.7
23	(Unk.) Lewis (. Lewis	1	60.00	1	0	1	.000	1	0	0	0	3.0	13	20	20	3	7	0	0		29	1	3.00	21.00	0.14	9.00	3.4	24.1	6.67	.556	60.00	1448	22.25	540	39.00	-6.2
24	Jeremy Bleich J. Bleich	0	54.00	2	0	0		1	0	0	0	0.1	2	2	2	0	0	1	0	0	4	0	27.00	0.00		0.00	25.0	0.0	6.00	1.000	54.00	1319	6.16	150	54.00	-0.1
25	Jose Reyes J. Reyes	0	54.00	1	0	0		0	0	0	0	1.0	5	6	6	2	2	1	1	0	11	0	0.00	18.00	0.00	18.00	0.0	18.2	7.00	.500	54.00	1413	38.16	959	45.00	-3.9