50 pitchers are tied for the fewest career quality starts, with 0. The first three are Joe Rock, Jonathan Pintaro and Chase Burns.

Interpreted as:

worst regular-season quality start by a player

	NAME	QS	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	H/9
1	Joe Rock J. Rock	0	1	0	0		0	9.00	4	0	0	0	2.0	4	2	2	1	0	1	1	0	12	0	18.00	0.00		4.50	33.3	0.0	2.00	.500	9.00	18.00
2	Jonathan Pintaro J. Pintaro	0	1	0	0		0	27.00	1	0	0	0	0.2	2	2	2	0	2	0	0	0	6	0	13.50	27.00	0.50	0.00	16.7	33.3	6.00	.667	27.00	27.00
3	Chase Burns C. Burns	0	1	0	0		1	5.40	8	0	0	0	5.0	6	3	3	1	0	0	0	0	21	0	14.40	0.00		1.80	38.1	0.0	1.20	.417	5.40	10.80
4	Jack Perkins J. Perkins	0	2	0	0		0	0.00	5	0	0	1	6.1	2	0	0	0	2	0	2	0	22	2	7.11	2.84	2.50	0.00	22.7	9.1	0.63	.133	0.00	2.84
5	Josh Simpson J. Simpson	0	3	1	0	1.000	0	9.00	2	0	0	0	4.0	3	4	4	1	3	0	1	1	18	1	4.50	6.75	0.67	2.25	11.1	16.7	1.50	.167	9.00	6.75
6	Paul Gervase P. Gervase	0	3	0	0		0	3.38	1	0	0	0	2.2	3	1	1	1	3	0	0	0	14	0	3.38	10.13	0.33	3.38	7.1	21.4	2.25	.222	3.38	10.13
7	Jake Palisch J. Palisch	0	1	0	0		0	18.00	0	0	0	0	1.0	3	2	2	0	0	0	1	0	6	0	0.00	0.00		0.00	0.0	0.0	3.00	.500	18.00	27.00
8	Wikelman González W. González	0	2	0	0		0	4.50	5	0	0	0	4.0	3	2	2	0	4	0	0	0	19	0	11.25	9.00	1.25	0.00	26.3	21.1	1.75	.300	4.50	6.75
9	Robinson Pina R. Pina	0	1	0	0		0	9.00	0	0	0	0	1.0	1	1	1	1	0	0	0	0	4	0	0.00	0.00		9.00	0.0	0.0	1.00	.000	9.00	9.00
10	Didier Fuentes D. Fuentes	0	2	0	2	.000	2	10.80	4	0	0	0	8.1	14	10	10	3	1	1	0	0	40	0	4.32	1.08	4.00	3.24	10.0	2.5	1.80	.355	10.80	15.12
11	Jack Little J. Little	0	1	0	0		0	9.00	1	0	0	0	2.0	4	2	2	0	1	1	1	0	11	0	4.50	4.50	1.00	0.00	9.1	9.1	2.50	.500	9.00	18.00
12	Andre Granillo A. Granillo	0	5	1	0	1.000	0	1.35	2	0	0	1	6.2	3	1	1	0	1	0	2	0	24	1	2.70	1.35	2.00	0.00	8.3	4.2	0.60	.143	1.35	4.05
13	Grant Taylor G. Taylor	0	8	0	0		1	2.70	10	0	0	2	10.0	7	3	3	0	1	0	3	0	36	1	9.00	0.90	10.00	0.00	27.8	2.8	0.80	.280	2.70	6.30
14	Ian Seymour I. Seymour	0	1	1	0	1.000	0	0.00	2	0	0	0	2.0	0	0	1	0	2	0	1	1	9	0	9.00	9.00	1.00	0.00	22.2	22.2	1.00	.000	4.50	0.00
15	Kyle Backhus K. Backhus	0	7	0	0		0	1.35	7	0	0	0	6.2	5	1	1	0	1	0	1	0	25	0	9.45	1.35	7.00	0.00	28.0	4.0	0.90	.294	1.35	6.75
16	Christian Montes De Oca C. Montes De Oca	0	1	0	0		0	0.00	2	0	0	0	2.2	0	0	0	0	1	0	0	0	9	0	6.75	3.38	2.00	0.00	22.2	11.1	0.38	.000	0.00	0.00
17	Alan Rangel A. Rangel	0	2	0	0		0	2.25	5	0	0	1	8.0	9	2	2	1	3	0	1	0	33	0	5.63	3.38	1.67	1.13	15.2	9.1	1.50	.333	2.25	10.13
18	Dylan Smith D. Smith	0	6	0	0		0	1.86	4	0	0	0	9.2	4	2	2	0	3	3	4	0	34	0	3.72	2.79	1.33	0.00	11.8	8.8	0.72	.167	1.86	3.72
19	Bradgley Rodriguez B. Rodriguez	0	1	0	0		0	0.00	1	0	0	0	1.2	0	0	0	0	1	1	0	0	6	0	5.40	5.40	1.00	0.00	16.7	16.7	0.60	.000	0.00	0.00
20	Andrew Hoffmann A. Hoffmann	0	1	0	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	13.50
21	Blas Castano B. Castano	0	1	0	0		0	9.00	1	0	0	0	3.0	4	3	3	1	2	1	1	0	16	0	3.00	6.00	0.50	3.00	6.3	12.5	2.00	.273	9.00	12.00
22	Yaramil Hiraldo Y. Hiraldo	0	1	0	0		0	0.00	1	0	0	0	1.1	1	0	0	0	0	0	1	0	5	0	6.75	0.00		0.00	20.0	0.0	0.75	.250	0.00	6.75
23	Braxton Ashcraft B. Ashcraft	0	9	2	0	1.000	1	1.56	14	0	0	0	17.1	15	3	3	0	6	0	4	1	72	0	7.27	3.12	2.33	0.00	19.4	8.3	1.21	.288	1.56	7.79
24	David Morgan D. Morgan	0	13	0	1	.000	0	2.35	20	0	0	0	15.1	10	4	4	2	7	0	7	0	62	1	11.74	4.11	2.86	1.17	32.3	11.3	1.11	.242	2.35	5.87
25	Nic Enright N. Enright	0	11	1	0	1.000	0	2.08	11	0	0	0	13.0	7	3	3	1	7	1	6	0	53	0	7.62	4.85	1.57	0.69	20.8	13.2	1.08	.182	2.08	4.85