Between the 2010 and 2019 seasons, Austin Maddox had the best ERA with an ERA worse than 0.00, with an ERA of 0.52.

	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	ERA-	FIP	FIP-	H/9	PRAA
1	Austin Maddox A. Maddox	0.52	13	0	0		0	14	0	0	0	17.1	13	1	1	1	2	0	5	0	67	0	7.27	1.04	7.00	0.52	20.9	3.0	0.87	.240	0.52	11	2.63	61	6.75	3.3
2	Jason Lane J. Lane	0.87	3	0	1	.000	1	6	0	0	0	10.1	7	1	1	1	0	0	0	0	39	0	5.23	0.00		0.87	15.4	0.0	0.68	.188	0.87	25	3.22	89	6.10	0.4
3	Tyler Rogers T. Rogers	1.02	17	2	0	1.000	0	16	0	0	0	17.2	12	2	3	0	3	1	4	0	70	1	8.15	1.53	5.33	0.00	22.9	4.3	0.85	.240	1.53	24	2.07	49	6.11	4.4
4	Bryan Abreu B. Abreu	1.04	7	0	0		0	13	0	0	0	8.2	4	1	1	0	3	0	2	0	32	0	13.50	3.12	4.33	0.00	40.6	9.4	0.81	.250	1.04	23	1.24	27	4.15	3.2
5	Eddie Gamboa E. Gamboa	1.35	7	0	2	.000	0	11	0	0	0	13.1	9	2	3	1	8	0	3	0	54	0	7.43	5.40	1.38	0.68	20.4	14.8	1.27	.235	2.03	33	4.26	104	6.08	-0.2
6	Jacob Webb J. Webb	1.39	36	4	0	1.000	0	28	0	0	2	32.1	24	5	10	4	12	1	12	0	131	3	7.79	3.34	2.33	1.11	21.4	9.2	1.11	.233	2.78	31	4.29	98	6.68	0.3
7	Hunter Harvey H. Harvey	1.42	7	1	0	1.000	0	11	0	0	0	6.1	3	1	1	1	4	0	1	0	26	0	15.63	5.68	2.75	1.42	42.3	15.4	1.11	.200	1.42	30	3.68	76	4.26	0.8
8	Billy Wagner B. Wagner	1.43	71	7	2	.778	0	104	0	0	37	69.1	38	11	14	5	22	3	64	3	268	2	13.50	2.86	4.73	0.65	38.8	8.2	0.87	.246	1.82	36	2.09	53	4.93	14.4
9	Justin Hancock J. Hancock	1.46	10	0	0		0	11	0	0	0	12.1	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
10	Kevin Ginkel K. Ginkel	1.48	25	3	0	1.000	0	28	0	0	2	24.1	15	4	7	2	9	0	4	0	96	2	10.36	3.33	3.11	0.74	29.2	9.4	0.99	.228	2.59	33	3.08	71	5.55	3.4
11	Jesús Luzardo J. Luzardo	1.50	6	0	0		0	16	0	0	2	12.0	5	2	2	1	3	1	2	0	46	2	12.00	2.25	5.33	0.75	34.8	6.5	0.67	.160	1.50	34	2.62	59	3.75	2.5
12	Dalier Hinojosa D. Hinojosa	1.51	29	2	1	.667	0	31	0	0	0	35.2	25	6	7	2	14	1	9	1	146	1	7.82	3.53	2.21	0.50	21.2	9.6	1.09	.235	1.77	37	3.38	83	6.31	2.6
13	Randy Dobnak R. Dobnak	1.59	9	2	1	.667	5	23	0	0	1	28.1	27	5	9	1	5	3	4	0	118	0	7.31	1.59	4.60	0.32	19.5	4.2	1.13	.302	2.86	34	2.89	63	8.58	5.3
14	Ryan Reid R. Reid	1.64	7	0	0		0	7	0	0	1	11.0	9	2	2	1	3	2	3	1	47	0	5.73	2.45	2.33	0.82	14.9	6.4	1.09	.235	1.64	46	4.32	118	7.36	-0.9
15	James Karinchak J. Karinchak	1.69	5	0	0		0	8	0	0	0	5.1	3	1	1	0	1	0	4	0	22	2	13.50	1.69	8.00	0.00	36.4	4.5	0.75	.231	1.69	37	0.77	17	5.06	2.2
16	Pedro Avila P. Avila	1.69	1	0	0		1	5	0	0	0	5.1	4	1	1	0	2	1	0	0	23	0	8.44	3.38	2.50	0.00	21.7	8.7	1.13	.267	1.69	40	3.02	69	6.75	0.8
17	Ryan Merritt R. Merritt	1.71	9	3	0	1.000	5	13	0	0	0	31.2	32	6	8	0	4	0	2	0	126	0	3.69	1.14	3.25	0.00	10.3	3.2	1.14	.294	2.27	38	2.70	62	9.09	5.8
18	Jared Walsh J. Walsh	1.80	5	0	0		0	5	0	0	0	5.0	3	1	1	0	6	0	5	0	23	0	9.00	10.80	0.83	0.00	21.7	26.1	1.80	.250	1.80	39	4.80	103	5.40	-0.1
19	Justin Hampson J. Hampson	1.80	13	0	0		0	4	0	0	0	10.0	6	2	4	0	5	0	1	0	37	0	3.60	4.50	0.80	0.00	10.8	13.5	1.10	.214	3.60	48	3.79	97	5.40	0.1
20	Eric Jokisch E. Jokisch	1.88	4	0	0		1	10	0	0	0	14.1	18	3	6	3	4	0	0	0	66	0	6.28	2.51	2.50	1.88	15.2	6.1	1.53	.306	3.77	52	5.29	143	11.30	-2.6
21	Jeremy Walker J. Walker	1.93	6	0	0		0	6	0	0	0	9.1	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
22	Red Patterson R. Patterson	1.93	1	0	0		1	1	0	0	0	4.2	2	1	1	0	3	0	0	0	19	0	1.93	5.79	0.33	0.00	5.3	15.8	1.07	.133	1.93	55	4.63	128	3.86	-0.5
23	Mauricio Robles M. Robles	1.93	3	0	0		0	6	0	0	0	4.2	7	1	3	0	3	0	0	0	25	2	11.57	5.79	2.00	0.00	24.0	12.0	2.14	.438	5.79	52	2.40	63	13.50	0.7
24	Cole Kimball C. Kimball	1.93	12	1	0	1.000	0	11	0	0	0	14.0	8	3	3	0	11	1	4	0	59	2	7.07	7.07	1.00	0.00	18.6	18.6	1.36	.222	1.93	51	4.02	105	5.14	-0.3
25	Mariano Rivera M. Rivera	1.95	198	11	8	.579	0	167	0	0	126	193.2	150	42	45	11	30	8	178	10	751	1	7.76	1.39	5.57	0.51	22.2	4.0	0.93	.260	2.09	47	2.65	63	6.97	32.6