most mlb championships in the expansion era

Babe Ruth has won the most career championships with an ERA worse than 0.00, with 7 championships.

Interpreted as:

most MLB championships in the expansion era by a player

	NAME	CHAMPS	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	Babe Ruth B. Ruth	7	2.28	163	94	46	.671	147	488	107	17	4	1221.1	974	309	400	10	441	29	12		4,896	25	3.60	3.25	1.11	0.07	10.0	9.0	1.16	.245	2.95	82	2.81	100	7.18	-6.6
2	Whitey Ford W. Ford	6	2.75	498	236	106	.690	438	1,956	156	45	11	3170.1	2,766	967	1,107	228	1,086	28	35	44	13,036	75	5.55	3.08	1.80	0.65	15.0	8.3	1.22	.261	3.14	75	3.26	88	7.85	156.9
3	Vic Raschi V. Raschi	6	3.72	269	132	66	.667	255	944	106	26	3	1819.0	1,666	752	828	138	727	26	5	5	7,675	44	4.67	3.60	1.30	0.68	12.3	9.5	1.32	.262	4.10	93	3.70	94	8.24	47
4	Allie Reynolds A. Reynolds	6	3.30	434	182	107	.630	309	1,423	137	36	48	2492.1	2,193	915	1,026	133	1,261	57	97		10,660	59	5.14	4.55	1.13	0.48	13.3	11.8	1.39	.265	3.70	90	3.64	99	7.92	2.9
5	Johnny Murphy J. Murphy	6	3.50	415	93	53	.637	40	378	17	0	107	1045.0	985	406	464	52	444	5	293		4,471	15	3.26	3.82	0.85	0.45	8.5	9.9	1.37	.260	4.00	84	4.10	101	8.48	-6.7
6	Red Ruffing R. Ruffing	6	3.80	624	273	225	.548	538	1,987	335	45	18	4344.0	4,284	1,833	2,115	254	1,541	58	69		18,546	46	4.12	3.19	1.29	0.53	10.7	8.3	1.34	.274	4.38	91	3.93	95	8.88	82.3
7	Andy Pettitte A. Pettitte	5	3.85	531	256	153	.626	521	2,448	26	4	0	3316.0	3,448	1,418	1,572	288	1,031	55	3	42	14,074	69	6.64	2.80	2.37	0.78	17.4	7.3	1.35	.308	4.27	86	3.73	83	9.36	282.1
8	Mariano Rivera M. Rivera	5	2.21	1,115	82	60	.577	10	1,173	0	0	652	1283.2	998	315	340	71	286	46	952	41	5,103	13	8.22	2.01	4.10	0.50	23.0	5.6	1.00	.263	2.38	49	2.76	61	7.00	246.7
9	David Cone D. Cone	5	3.46	450	194	126	.606	419	2,668	56	22	1	2898.2	2,504	1,115	1,222	258	1,137	106	9	42	12,184	149	8.28	3.53	2.35	0.80	21.9	9.3	1.26	.280	3.79	84	3.56	85	7.77	190.9
10	Paul O'Neill P. O'Neill	5	13.50	1	0	0		0	2	0	0	0	2.0	2	3	3	1	4	0	1	0	11	0	9.00	18.00	0.50	4.50	18.2	36.4	3.00	.250	13.50	318	13.36	321	9.00	-2
11	Catfish Hunter C. Hunter	5	3.26	500	224	166	.574	476	2,012	181	42	1	3449.1	2,958	1,248	1,380	374	954	49	6	57	14,032	49	5.25	2.49	2.11	0.98	14.3	6.8	1.13	.243	3.60	95	3.66	103	7.72	-51.5
12	Ed Lopat E. Lopat	5	3.21	340	166	112	.597	318	859	164	27	3	2439.1	2,464	869	1,008	179	650	43	14	5	10,197	16	3.17	2.40	1.32	0.66	8.4	6.4	1.28	.270	3.72	86	3.60	97	9.09	28.2
13	Lefty Gomez L. Gomez	5	3.34	368	189	102	.649	320	1,468	173	28	10	2503.0	2,290	930	1,091	138	1,095	19	31		10,729	39	5.28	3.94	1.34	0.50	13.7	10.2	1.35	.269	3.92	79	3.88	94	8.23	70.4
14	Javier Lopez J. Lopez	4	3.48	839	30	17	.638	0	358	0	0	14	533.1	484	206	227	26	235	27	163	38	2,273	16	6.04	3.97	1.52	0.44	15.8	10.3	1.35	.281	3.83	82	3.85	95	8.17	10.5
15	Orlando Hernandez O. Hernandez	4	4.13	219	90	65	.581	211	1,086	9	2	2	1314.2	1,181	604	641	177	479	67	2	18	5,558	27	7.43	3.28	2.27	1.21	19.5	8.6	1.26	.268	4.39	91	4.44	97	8.08	20.2
16	Jeff Nelson J. Nelson	4	3.41	798	48	45	.516	0	829	0	0	33	784.2	633	297	329	55	428	64	237	59	3,402	36	9.51	4.91	1.94	0.63	24.4	12.6	1.35	.285	3.77	76	3.72	84	7.26	67.2
17	Mike Timlin M. Timlin	4	3.63	1,058	75	73	.507	4	872	0	0	141	1204.1	1,168	486	533	118	377	47	467	72	5,082	31	6.52	2.82	2.31	0.88	17.2	7.4	1.28	.286	3.98	81	3.93	89	8.73	65.9
18	Monte Pearson M. Pearson	4	4.00	224	100	61	.621	191	703	94	5	4	1429.2	1,392	635	721	82	740	6	24		6,259	43	4.43	4.66	0.95	0.52	11.2	11.8	1.49	.277	4.54	89	4.35	99	8.76	3.5
19	Madison Bumgarner M. Bumgarner	3	3.47	358	134	124	.519	355	2,070	16	7	0	2209.1	2,007	853	933	258	544	89	1	38	9,098	29	8.43	2.22	3.81	1.05	22.8	6.0	1.15	.285	3.80	90	3.62	94	8.18	50.1
20	Sergio Romo S. Romo	3	3.21	821	42	36	.538	5	789	0	0	137	722.2	579	258	275	85	179	27	301	21	2,919	22	9.83	2.23	4.41	1.06	27.0	6.1	1.05	.269	3.42	82	3.32	84	7.21	50.2
21	Tim Lincecum T. Lincecum	3	3.74	278	110	89	.553	270	1,736	10	7	1	1682.0	1,506	699	746	147	669	44	3	33	7,120	107	9.29	3.58	2.59	0.79	24.4	9.4	1.29	.300	3.99	99	3.44	90	8.06	81.5
22	Jon Lester J. Lester	3	3.66	452	200	117	.631	451	2,488	15	4	0	2740.0	2,610	1,114	1,215	294	892	90	0	13	11,487	63	8.17	2.93	2.79	0.97	21.7	7.8	1.28	.300	3.99	86	3.77	92	8.57	101.7
23	Santiago Casilla S. Casilla	3	3.29	655	42	31	.575	0	583	0	0	144	645.1	552	236	253	58	277	38	297	33	2,745	56	8.13	3.86	2.10	0.81	21.2	10.1	1.28	.276	3.53	82	3.94	100	7.70	-1.2
24	Jeremy Affeldt J. Affeldt	3	3.97	774	43	46	.483	42	720	0	0	28	926.0	904	408	455	76	396	42	162	41	4,034	55	7.00	3.85	1.82	0.74	17.8	9.8	1.40	.296	4.42	92	4.00	95	8.79	21.3
25	John Lackey J. Lackey	3	3.92	448	188	147	.561	446	2,294	18	8	0	2840.1	2,862	1,237	1,347	319	815	133	0	32	12,030	125	7.27	2.58	2.81	1.01	19.1	6.8	1.29	.300	4.27	92	3.94	94	9.07	79.6