best era by a relief pitcher with a minimum of 30 games

Bugs Raymond and Deacon Phillippe were tied for the lowest ERA by a relief pitcher when pitching in 30+ games, with an ERA of 0.00.

	NAME	ERA	G	W	L	W%	GS	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Bugs Raymond B. Raymond	0.00	35	9	7	.563	0	55	0	0	1	110.1	101		69	0	46	8	24	455	5	4.49	3.75	1.20	0.00	12.1	10.1	1.33	.292	5.63	8.24
2	Deacon Phillippe D. Phillippe	0.00	41	9	1	.900	0	36	0	0	4	119.0	108		55	2	15	2	29	470	2	2.72	1.13	2.40	0.15	7.7	3.2	1.03	.255	4.16	8.17
3	Bill Burns B. Burns	0.21	32	2	7	.222	0	28	0	0	1	84.2	108		66	3	29	6	20	367	2	2.98	3.08	0.97	0.32	7.6	7.9	1.62	.349	7.02	11.48
4	Fred Beebe F. Beebe	0.23	37	3	4	.429	0	47	0	0	6	119.2	99		67	2	56	1	26	495	5	3.53	4.21	0.84	0.15	9.5	11.3	1.30	.249	5.04	7.45
5	Irv Young I. Young	0.25	37	4	2	.667	0	49	0	0	2	106.0	97		62	2	36	4	21	430	2	4.16	3.06	1.36	0.17	11.4	8.4	1.25	.280	5.26	8.24
6	Big Jeff Pfeffer B. Jeff Pfeffer	0.27	36	4	2	.667	0	29	0	0	2	100.2	116		87	5	59	2	30	447	1	2.59	5.27	0.49	0.45	6.5	13.2	1.74	.315	7.78	10.37
7	Al Mattern A. Mattern	0.32	45	6	7	.462	0	44	0	0	4	142.0	155		95	3	49	3	38	578	4	2.79	3.11	0.90	0.19	7.6	8.5	1.44	.317	6.02	9.82
8	Harry Gaspar H. Gaspar	0.42	45	6	6	.500	0	24	0	0	11	108.0	102		46	0	27	9	38	438	3	2.00	2.25	0.89	0.00	5.5	6.2	1.19	.270	3.83	8.50
9	Ralph Works R. Works	0.43	51	6	2	.750	0	79	0	0	4	145.0	149		93	1	66	8	42	631	9	4.90	4.10	1.20	0.06	12.5	10.5	1.48	.310	5.77	9.25
10	Cecil Ferguson C. Ferguson	0.47	38	4	6	.400	0	42	0	0	1	96.0	95		50	3	46	3	33	390	5	3.94	4.31	0.91	0.28	10.8	11.8	1.47	.311	4.69	8.91
11	Barney Pelty B. Pelty	0.53	32	3	7	.300	0	29	0	0	0	85.0	99		66	2	37	7	24	378	4	3.07	3.92	0.78	0.21	7.7	9.8	1.60	.320	6.99	10.48
12	Harry McIntire H. McIntire	0.65	30	6	4	.600	0	33	0	0	3	97.2	102		60	3	29	5	23	399	1	3.04	2.67	1.14	0.28	8.3	7.3	1.34	.301	5.53	9.40
13	Ed Walsh E. Walsh	0.70	77	18	11	.621	0	145	0	0	28	179.2	138		68	2	32	3	72	694	9	7.26	1.60	4.53	0.10	20.9	4.6	0.95	.266	3.41	6.91
14	Joe Wood J. Wood	0.73	67	20	8	.714	0	139	0	0	10	159.1	134		64	0	52	5	58	641	9	7.85	2.94	2.67	0.00	21.7	8.1	1.17	.301	3.62	7.57
15	Jack Rowan J. Rowan	0.75	45	8	5	.615	0	58	0	0	3	132.1	116		69	1	67	4	35	552	4	3.94	4.56	0.87	0.07	10.5	12.1	1.38	.273	4.69	7.89
16	Joe Lake J. Lake	0.79	60	15	9	.625	0	98	0	0	5	239.1	254		152	7	55	2	54	1,005	8	3.69	2.07	1.78	0.26	9.8	5.5	1.29	.293	5.72	9.55
17	Howie Camnitz H. Camnitz	0.85	68	22	8	.733	0	135	0	0	13	233.2	189		87	3	85	9	55		9	5.20	3.27	1.59	0.12		9.3	1.17	.272	3.35	7.28
18	George Mullin G. Mullin	0.86	41	18	2	.900	0	51	0	0	3	146.2	124		60	2	48	5	34		1	3.13	2.95	1.06	0.12		14.4	1.17	.535	3.68	7.61
19	George Kahler G. Kahler	0.87	32	1	2	.333	0	37	0	0	2	72.2	88		43	0	23	6	23	309	1	4.58	2.85	1.61	0.00	12.0	7.4	1.53	.362	5.33	10.90
20	Eddie Cicotte E. Cicotte	0.89	139	25	12	.676	0	155	0	0	24	354.0	282		120	3	104	9	103	1,383	6	3.94	2.64	1.49	0.08	11.2	7.5	1.09	.251	3.05	7.17
21	Tom Hughes T. Hughes	0.94	57	10	7	.588	0	89	0	0	11	162.1	131		61	1	49	6	46	663	6	4.93	2.72	1.82	0.06	13.4	7.4	1.11	.251	3.38	7.26
22	Tiny Bonham T. Bonham	1.09	38	6	1	.857	0	31	0	0	9	74.1	58	9	12	1	21	0	27	294	0	3.75	2.54	1.48	0.12	10.5	7.1	1.06	.237	1.45	7.02
23	Buster Brown B. Brown	1.16	56	4	6	.400	0	71	0	0	2	186.2	203		114	5	73	5	44	772	5	3.42	3.52	0.97	0.24	9.2	9.5	1.48	.320	5.50	9.79
24	Charley Hall C. Hall	1.18	100	24	4	.857	0	152	0	0	11	319.2	259		143	6	134	10	81	1,312	5	4.28	3.77	1.13	0.17	11.6	10.2	1.23	.250	4.03	7.29
25	Jack Warhop J. Warhop	1.23	71	13	14	.481	0	103	0	0	7	263.2	220		103	4	68	17	62	1,054	2	3.52	2.32	1.51	0.14	9.8	6.5	1.09	.251	3.52	7.51