50 pitchers are tied for starting the fewest career games, with 0 starts. The first three are Grant Wolfram, Nic Enright and Ryan Rolison.

Interpreted as:

worst regular-season start by a player in MLB history

	NAME	GS	G	W	L	W%	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	Grant Wolfram G. Wolfram	0	2	0	0		13.50	1	0	0	0	1.1	3	2	2	0	2	0	0	0	9	0	6.75	13.50	0.50	0.00	11.1	22.2	3.75	.500	13.50	348	6.06	153	20.25	-0.3
2	Nic Enright N. Enright	0	3	0	0		6.75	4	0	0	0	4.0	4	3	3	1	2	0	2	0	18	0	9.00	4.50	2.00	2.25	22.2	11.1	1.50	.273	6.75	172	5.81	145	9.00	-0.8
3	Ryan Rolison R. Rolison	0	7	0	0		4.50	8	0	0	0	10.0	10	5	5	1	6	0	1	0	44	1	7.20	5.40	1.33	0.90	18.2	13.6	1.60	.310	4.50	99	4.56	110	9.00	-0.4
4	Noah Murdock N. Murdock	0	14	1	1	.500	13.24	21	0	0	0	17.0	26	25	25	0	20	2	2	3	98	0	11.12	10.59	1.05	0.00	21.4	20.4	2.71	.473	13.24	334	4.48	110	13.76	-0.8
5	Braxton Ashcraft B. Ashcraft	0	3	0	0		0.00	6	0	0	0	6.0	3	0	0	0	1	0	2	0	22	0	9.00	1.50	6.00	0.00	27.3	4.5	0.67	.200	0.00	0	1.56	40	4.50	1.6
6	Willie MacIver W. MacIver	0	1	0	0		0.00	0	0	0	0	1.0	3	0	0	0	0	0	1	0	6	0	0.00	0.00		0.00	0.0	0.0	3.00	.500	0.00	0	3.06	76	27.00	0.1
7	Evan Sisk E. Sisk	0	5	0	0		1.69	11	0	0	0	5.1	5	1	1	0	5	0	1	0	26	1	18.56	8.44	2.20	0.00	42.3	19.2	1.88	.500	1.69	41	1.75	43	8.44	1.4
8	Dylan Smith D. Smith	0	2	0	0		6.00	0	0	0	0	3.0	4	2	2	0	2	1	0	0	13	0	0.00	6.00	0.00	0.00	0.0	15.4	2.00	.400	6.00	153	6.06	151	12.00	-0.7
9	Justin Hagenman J. Hagenman	0	1	0	0		2.70	4	0	0	0	3.1	3	1	1	0	0	0	0	0	13	0	10.80	0.00		0.00	30.8	0.0	0.90	.333	2.70	70	0.66	17	8.10	1.2
10	Garrett McDaniels G. McDaniels	0	10	0	0		5.91	6	0	0	0	10.2	13	7	8	2	8	1	4	0	50	2	5.06	6.75	0.75	1.69	12.0	16.0	1.97	.333	6.75	146	6.91	165	10.97	-3.1
11	Cole Henry C. Henry	0	19	0	0		2.08	22	0	0	0	21.2	12	5	5	1	10	6	8	1	91	0	9.14	4.15	2.20	0.42	24.2	11.0	1.02	.212	2.08	52	3.85	97	4.98	0.3
12	Will Wilson W. Wilson	0	1	0	0		9.00	0	0	0	0	2.0	2	2	2	1	0	0	1	0	8	0	0.00	0.00		4.50	0.0	0.0	1.00	.143	9.00	230	9.56	238	9.00	-1.2
13	Connor Thomas C. Thomas	0	2	0	0		20.25	5	0	0	0	5.1	12	12	12	3	2	1	0	0	31	0	8.44	3.38	2.50	5.06	16.1	6.5	2.63	.450	20.25	502	10.19	256	20.25	-3.6
14	Nathan Wiles N. Wiles	0	1	0	0		27.00	1	0	0	0	1.0	4	3	3	0	0	0	1	0	7	0	9.00	0.00		0.00	14.3	0.0	4.00	.667	27.00	662	1.06	28	36.00	0.3
15	Zak Kent Z. Kent	0	3	0	0		5.40	6	0	0	0	5.0	7	3	3	0	3	0	3	0	23	2	10.80	5.40	2.00	0.00	26.1	13.0	2.00	.500	5.40	138	2.46	61	12.60	0.9
16	Kade Strowd K. Strowd	0	1	0	0		9.00	1	0	0	0	1.0	2	1	1	0	0	0	1	0	5	0	9.00	0.00		0.00	20.0	0.0	2.00	.500	9.00	232	1.06	27	18.00	0.3
17	Christian Koss C. Koss	0	1	0	0		0.00	0	0	0	0	1.0	1	0	0	0	0	0	1	0	4	0	0.00	0.00		0.00	0.0	0.0	1.00	.250	0.00	0	3.06	81	9.00	0.1
18	Tyler Owens T. Owens	0	2	0	0		0.00	1	0	0	0	2.0	1	0	0	0	0	0	2	0	7	0	4.50	0.00		0.00	14.3	0.0	0.50	.167	0.00	0	2.06	51	4.50	0.4
19	Caleb Freeman C. Freeman	0	5	0	0		5.40	3	0	0	0	3.1	5	2	2	1	1	0	3	0	16	0	8.10	2.70	3.00	2.70	18.8	6.3	1.80	.364	5.40	135	6.06	145	13.50	-0.7
20	Chase Lee C. Lee	0	13	2	0	1.000	2.16	15	0	0	0	16.2	11	4	4	0	5	2	5	0	64	0	8.10	2.70	3.00	0.00	23.4	7.8	0.96	.262	2.16	55	2.52	63	5.94	2.8
21	Mike Vasil M. Vasil	0	18	3	2	.600	1.89	27	0	0	1	38.0	25	8	9	2	21	4	7	3	161	0	6.39	4.97	1.29	0.47	16.8	13.0	1.21	.215	2.13	47	4.30	103	5.92	-0.5
22	Andrew Hoffmann A. Hoffmann	0	1	0	0		9.00	4	0	0	0	2.0	3	2	2	1	0	0	1	0	10	1	18.00	0.00		4.50	40.0	0.0	1.50	.400	9.00	216	5.56	137	13.50	-0.3
23	Matt Svanson M. Svanson	0	8	0	0		3.48	9	0	0	0	10.1	7	4	4	1	3	0	3	0	41	0	7.84	2.61	3.00	0.87	22.0	7.3	0.97	.214	3.48	88	3.45	89	6.10	0.5
24	Mason Fluharty M. Fluharty	0	25	3	1	.750	3.33	25	0	0	0	24.1	12	9	9	1	8	1	2	1	92	0	9.25	2.96	3.13	0.37	27.2	8.7	0.82	.193	3.33	85	2.65	65	4.44	3.8
25	Cade Gibson C. Gibson	0	9	0	3	.000	1.20	8	0	0	0	15.0	14	2	4	0	5	0	5	1	63	3	4.80	3.00	1.60	0.00	12.7	7.9	1.27	.280	2.40	29	3.00	76	8.40	1.6