50 players are tied for the lowest career OPS when pitching fewer than 20 innings, with an OPS of .000. The first three are Luis Madero, Thomas Szapucki and Alec Bettinger.

Interpreted as:

worst ops by a player career with less than 20 ip

	NAME	OPS	IP	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	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	Luis Madero L. Madero	.000	12.0	6	0	0		0	9.00	4	0	0	0	13	12	12	3	8	1	3	1	56	0	3.00	6.00	0.50	2.25	7.1	14.3	1.75	.250	9.00	215	8.00	192	9.75	-5.2
2	Thomas Szapucki T. Szapucki	.000	18.2	12	0	1	.000	1	8.68	22	0	0	0	26	18	18	8	10	0	2	0	87	1	10.61	4.82	2.20	3.86	25.3	11.5	1.93	.383	8.68	223	7.94	200	12.54	-8.5
3	Alec Bettinger A. Bettinger	.000	10.0	4	0	1	.000	1	13.50	5	0	0	0	18	15	15	3	3	1	2	0	51	1	4.50	2.70	1.67	2.70	9.8	5.9	2.10	.385	13.50	322	7.26	170	16.20	-3.3
4	Brandon Waddell B. Waddell	.000	17.0	12	0	1	.000	0	4.24	13	0	0	0	19	8	9	2	11	0	6	0	81	1	6.88	5.82	1.18	1.06	16.0	13.6	1.76	.309	4.76	100	5.09	120	10.06	-1.7
5	Luis Escobar L. Escobar	.000	5.2	4	0	0		0	7.94	2	0	0	0	10	5	5	1	4	1	2	0	29	1	3.18	6.35	0.50	1.59	6.9	13.8	2.47	.429	7.94	183	7.44	168	15.88	-1.9
6	James Marvel J. Marvel	.000	17.1	4	0	3	.000	4	8.31	9	0	0	0	25	16	16	4	6	2	0	0	84	0	4.67	3.12	1.50	2.08	10.7	7.1	1.79	.333	8.31	191	6.55	148	12.98	-4.1
7	Jeremy Walker J. Walker	.000	9.1	6	0	0		0	1.93	6	0	0	0	9	2	2	0	4	0	3	0	38	0	5.79	3.86	1.50	0.00	15.8	10.5	1.39	.321	1.93	43	3.20	73	8.68	1.2
8	Justin Hancock J. Hancock	.000	12.1	10	0	0		0	1.46	11	0	0	0	5	2	2	1	9	0	6	0	49	0	8.03	6.57	1.22	0.73	22.4	18.4	1.14	.143	1.46	37	4.61	115	3.65	-0.8
9	D.J. Snelten	.000	4.1	4	0	0		0	10.38	4	0	0	0	9	5	6	2	3	0	0	0	26	0	8.31	6.23	1.33	4.15	15.4	11.5	2.77	.412	12.46	266	9.39	243	18.69	-2.8
10	Ben Meyer B. Meyer	.000	19.0	13	0	0		0	10.42	9	0	0	0	26	22	23	2	14	4	7	2	97	1	4.26	6.63	0.64	0.95	9.3	14.4	2.11	.353	10.89	273	6.42	163	12.32	-5.4
11	Barrett Astin B. Astin	.000	8.0	6	0	0		0	6.75	2	0	0	0	9	6	6	2	7	2	1	0	41	0	2.25	7.88	0.29	2.25	4.9	17.1	2.00	.250	6.75	153	9.28	211	10.13	-4.2
12	Jesen Therrien J. Therrien	.000	18.1	15	0	0		0	8.35	10	0	0	0	24	17	17	5	7	1	1	0	86	0	4.91	3.44	1.43	2.45	11.6	8.1	1.69	.302	8.35	192	6.91	157	11.78	-5
13	Roberto Gomez R. Gomez	.000	14.2	9	1	0	1.000	0	7.98	14	0	0	0	29	13	16	0	2	1	4	0	75	0	8.59	1.23	7.00	0.00	18.7	2.7	2.11	.500	9.82	199	1.86	47	17.80	3.5
14	Kyle Lloyd K. Lloyd	.000	4.0	1	0	0		1	9.00	2	0	0	0	6	4	4	1	2	0	0	0	20	0	4.50	4.50	1.00	2.25	10.0	10.0	2.00	.333	9.00	214	6.90	161	13.50	-1.2
15	Angel Sanchez A. Sanchez	.000	12.1	8	1	0	1.000	0	8.76	10	0	0	0	16	12	12	5	1	0	2	0	54	2	7.30	0.73	10.00	3.65	18.5	1.9	1.38	.289	8.76	206	7.04	163	11.68	-3.7
16	Jen-Ho Tseng J. Tseng	.000	8.0	3	1	0	1.000	2	9.00	11	0	0	0	9	8	8	3	2	1	1	0	36	0	12.38	2.25	5.50	3.38	30.6	5.6	1.38	.316	9.00	214	6.40	151	10.13	-1.9
17	Jayson Aquino J. Aquino	.000	15.2	7	1	2	.333	2	6.32	16	0	0	0	16	11	12	4	6	0	3	0	70	1	9.19	3.45	2.67	2.30	22.9	8.6	1.40	.273	6.89	142	5.57	122	9.19	-1.7
18	Matt Buschmann M. Buschmann	.000	4.1	3	0	0		0	2.08	3	0	0	0	2	1	1	1	1	0	2	1	15	0	6.23	2.08	3.00	2.08	20.0	6.7	0.69	.100	2.08	48	5.45	131	4.15	-0.6
19	Vicente Campos V. Campos	.000	5.2	1	0	0		0	3.18	4	0	0	0	4	2	3	2	2	0	0	0	24	0	6.35	3.18	2.00	3.18	16.7	8.3	1.06	.125	4.76	73	7.37	177	6.35	-2
20	Drew Hayes D. Hayes	.000	9.2	6	0	0		0	8.38	8	0	0	0	15	9	10	3	6	0	1	1	48	0	7.45	5.59	1.33	2.79	16.7	12.5	2.17	.387	9.31	197	7.38	174	13.97	-3.3
21	Shawn Morimando S. Morimando	.000	15.0	6	0	0		0	10.20	14	0	0	0	27	17	17	4	10	0	1	0	81	0	8.40	6.00	1.40	2.40	17.3	12.3	2.47	.434	10.20	240	6.75	160	16.20	-4.3
22	A.J. Morris	.000	10.0	7	0	0		0	6.30	9	0	0	0	9	7	7	2	8	0	3	0	47	0	8.10	7.20	1.13	1.80	19.1	17.0	1.70	.250	6.30	148	6.34	149	8.10	-2.2
23	Jake Brigham J. Brigham	.000	16.2	12	0	1	.000	0	8.64	12	0	0	0	28	16	16	1	8	1	4	1	84	2	6.48	4.32	1.50	0.54	14.3	9.5	2.16	.435	8.64	224	4.09	109	15.12	-0.6
24	Scott Copeland S. Copeland	.000	16.2	6	1	1	.500	3	5.94	8	0	0	0	25	11	11	1	2	0	2	0	74	0	4.32	1.08	4.00	0.54	10.8	2.7	1.62	.381	5.94	147	3.31	81	13.50	1.4
25	Kendry Flores K. Flores	.000	15.2	8	1	2	.333	2	4.02	10	0	0	0	17	7	8	0	7	1	3	1	70	0	5.74	4.02	1.43	0.00	14.3	10.0	1.53	.327	4.60	106	3.38	88	9.77	0.7