Tim Wakefield has given up the most career earned runs for the Red Sox, with 1,480 earned runs.

Interpreted as:

most earned runs by a player in red sox alltime

	NAME	ER	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	IP	H	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	Tim Wakefield T. Wakefield	1,480	590	186	168	.525	430	4.43	2,046	26	3	22	3006.0	2,931	1,682	401	1,095	176	77	30	12,971	125	6.13	3.28	1.87	1.20	15.8	8.4	1.34	.273	5.04	95	4.73	108	8.78	-118.5
2	Roger Clemens R. Clemens	943	383	192	111	.634	382	3.06	2,590	100	38	0	2776.0	2,359	1,045	194	856	86	0	43	11,384	72	8.40	2.78	3.03	0.63	22.8	7.5	1.16	.283	3.39	70	2.93	70	7.65	386.6
3	Bob Stanley B. Stanley	690	637	115	97	.542	85	3.64	693	21	7	132	1707.0	1,858	797	113	471	41	377	87	7,238	22	3.65	2.48	1.47	0.60	9.6	6.5	1.36	.295	4.20	85	3.67	90	9.80	76.1
4	Bruce Hurst B. Hurst	686	237	88	73	.547	217	4.23	1,043	54	13	0	1459.0	1,569	747	173	479	24	5	24	6,264	30	6.43	2.95	2.18	1.07	16.7	7.6	1.40	.307	4.61	99	3.90	96	9.68	23
5	Mel Parnell M. Parnell	682	289	123	75	.621	232	3.50	732	113	20	10	1752.2	1,715	797	104	758	28	36	3	7,548	41	3.76	3.89	0.97	0.53	9.7	10.0	1.41	.272	4.09	80	3.79	87	8.81	108.8
6	Tom Brewer T. Brewer	671	241	91	82	.526	217	4.00	733	75	13	3	1509.1	1,478	761	126	669	43	10	30	6,574	53	4.37	3.99	1.10	0.75	11.1	10.2	1.42	.270	4.54	97	3.98	96	8.81	30.9
7	Bill Monbouquette B. Monbouquette	665	254	96	91	.513	228	3.69	969	72	16	1	1622.0	1,649	755	180	408	10	8	31	6,810	16	5.38	2.26	2.38	1.00	14.2	6.0	1.27	.280	4.19	93	3.57	88	9.15	88.7
8	Luis Tiant L. Tiant	663	274	122	81	.601	238	3.36	1,075	113	26	3	1774.2	1,630	709	170	501	26	17	21	7,289	10	5.45	2.54	2.15	0.86	14.7	6.9	1.20	.265	3.60	85	3.50	91	8.27	70.1
9	Jack Russell J. Russell	618	242	41	94	.304	147	4.58	202	57	3	0	1215.0	1,480	723	47	294	18	53		5,326	13	1.50	2.18	0.69	0.35	3.8	5.5	1.46	.301	5.36	107	4.08	96	10.96	18.7
10	Jon Lester J. Lester	615	242	110	63	.636	241	3.64	1,386	10	3	0	1519.1	1,426	655	138	529	55	0	4	6,378	38	8.21	3.13	2.62	0.82	21.7	8.3	1.29	.302	3.88	84	3.60	88	8.45	81.9
11	Joe Dobson J. Dobson	612	259	106	72	.596	202	3.57	690	90	17	9	1544.0	1,464	685	88	604	9	39		6,526	37	4.02	3.52	1.14	0.51	10.6	9.3	1.34	.268	3.99	87	3.56	88	8.53	89
12	Bill Lee B. Lee	608	321	94	68	.580	167	3.64	578	64	7	13	1503.1	1,627	683	136	448	21	49	23	6,403	21	3.46	2.68	1.29	0.81	9.0	7.0	1.38	.286	4.09	92	3.91	100	9.74	1.1
13	Cy Young C. Young	606	327	192	112	.632	297	2.00	1,341	275	38	9	2728.1	2,347	872	34	299	57	27		10,434	35	4.42	0.99	4.48	0.11	12.9	2.9	0.97	.266	2.88	69	2.08	73	7.74	238.6
14	Willard Nixon W. Nixon	602	225	69	72	.489	177	4.39	616	51	9	3	1234.0	1,277	674	89	530	41	21	7	5,391	29	4.49	3.87	1.16	0.65	11.4	9.8	1.46	.289	4.92	103	3.77	90	9.31	61.8
15	Dennis Eckersley D. Eckersley	598	241	88	71	.553	191	3.92	771	64	10	1	1371.2	1,408	650	167	312	29	13	33	5,760	8	5.06	2.05	2.47	1.10	13.4	5.4	1.25	.277	4.26	93	3.90	96	9.24	23.5
16	Frank Sullivan F. Sullivan	581	252	90	80	.529	201	3.47	821	72	14	6	1505.1	1,455	659	124	475	45	17	23	6,340	16	4.91	2.84	1.73	0.74	12.9	7.5	1.28	.273	3.94	84	3.46	83	8.70	113.4
17	Red Ruffing R. Ruffing	575	189	39	96	.289	138	4.61	450	73	5	9	1122.1	1,226	670	47	459	27	39		4,958	17	3.61	3.68	0.98	0.38	9.1	9.3	1.50	.297	5.37	111	4.08	98	9.83	6.9
18	Josh Beckett J. Beckett	574	194	89	58	.605	194	4.17	1,108	7	3	0	1240.0	1,179	604	153	338	53	0	9	5,190	35	8.04	2.45	3.28	1.11	21.3	6.5	1.22	.290	4.38	93	3.87	92	8.56	46.7
19	Lefty Grove L. Grove	571	214	105	62	.629	190	3.34	743	119	15	4	1539.2	1,587	665	78	447	14	17		6,573	15	4.34	2.61	1.66	0.46	11.3	6.8	1.32	.285	3.89	71	3.60	78	9.28	174.5
20	Danny MacFayden D. MacFayden	548	185	52	78	.400	148	4.23	344	71	8	4	1167.0	1,273	643	45	430	32	26		5,106	7	2.65	3.32	0.80	0.35	6.7	8.4	1.46	.289	4.96	100	4.26	101	9.82	-4.6
21	Ike Delock I. Delock	538	322	83	72	.535	142	4.01	661	32	6	31	1207.2	1,211	612	135	514	24	108	26	5,290	26	4.93	3.83	1.29	1.01	12.5	9.7	1.43	.272	4.56	97	4.18	101	9.02	0.5
22	Jack Wilson J. Wilson	527	258	67	67	.500	113	4.44	563	48	5	20	1067.2	1,141	632	67	564	17	89		4,844	33	4.75	4.75	1.00	0.56	11.6	11.6	1.60	.296	5.33	94	4.36	95	9.62	32.3
23	Fritz Ostermueller F. Ostermueller	527	219	59	65	.476	126	4.38	422	51	2	13	1083.1	1,184	609	45	491	13	58		4,883	34	3.51	4.08	0.86	0.37	8.6	10.1	1.55	.291	5.06	91	4.20	90	9.84	57.4
24	George Winter G. Winter	518	213	82	97	.458	176	2.91	543	141	9	3	1599.2	1,503	741	32	370	41	35		6,424	16	3.06	2.08	1.47	0.18	8.5	5.8	1.17	.271	4.17	102	2.85	101	8.46	1.5
25	Clay Buchholz C. Buchholz	514	206	81	61	.570	188	3.96	899	9	6	0	1167.2	1,104	565	116	417	45	7	9	4,920	28	6.93	3.21	2.16	0.89	18.3	8.5	1.30	.287	4.35	93	4.04	100	8.51	-0.4