The Boston Red Sox had their most saves in a season in 1998, with 53 saves.

Interpreted as:

most saves in a regular season for red sox all-time

	TEAM	SV	SEASON	G	W%	W	L	GS	ERA	SO	CG	SHO	IP	H	ER	R	HR	BB	HBP	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Red Sox	53	1998	162	.568	92	70	162	4.18	1,025	5	2	1436.0	1,406	667	729	168	504	53	33	6,141	62	6.42	3.16	2.03	1.05	16.7	8.2	1.33	.282	4.57	8.81
2	Red Sox	51	2002	162	.574	93	69	162	3.75	1,157	5	3	1446.0	1,339	603	665	146	430	84	29	6,049	31	7.20	2.68	2.69	0.91	19.1	7.1	1.22	.282	4.14	8.33
3	Red Sox	50	1999	162	.580	94	68	162	4.00	1,131	6	1	1436.2	1,396	638	718	160	469	55	25	6,120	28	7.09	2.94	2.41	1.00	18.5	7.7	1.30	.287	4.50	8.75
4	Red Sox	49	2021	162	.568	92	70	162	4.26	1,527	0	0	1419.0	1,409	671	749	176	546	79	31	6,147	63	9.68	3.46	2.80	1.12	24.8	8.9	1.38	.323	4.75	8.94
5	Red Sox	48	2001	161	.509	82	79	161	4.15	1,259	3	2	1448.0	1,412	667	745	146	544	93	50	6,272	54	7.83	3.38	2.31	0.91	20.1	8.7	1.35	.299	4.63	8.78
6	Red Sox	47	2008	162	.586	95	67	162	4.01	1,185	5	2	1446.1	1,369	645	694	147	548	68	17	6,180	43	7.37	3.41	2.16	0.91	19.2	8.9	1.33	.289	4.32	8.52
7	Red Sox	46	2018	162	.667	108	54	162	3.75	1,558	2	0	1458.2	1,305	608	647	176	512	84	8	6,166	51	9.61	3.16	3.04	1.09	25.3	8.3	1.25	.294	3.99	8.05
8	Red Sox	46	2006	162	.531	86	76	162	4.83	1,070	3	1	1441.1	1,570	773	825	181	509	68	25	6,292	52	6.68	3.18	2.10	1.13	17.0	8.1	1.44	.311	5.15	9.80
9	Red Sox	46	2000	162	.525	85	77	162	4.23	1,121	7	4	1452.2	1,433	683	745	173	498	58	40	6,225	33	6.95	3.09	2.25	1.07	18.0	8.0	1.33	.288	4.62	8.88
10	Red Sox	45	2025	162	.549	89	73	162	3.70	1,361	2	1	1448.1	1,333	596	676	164	530	73	17	6,150	53	8.46	3.29	2.57	1.02	22.1	8.6	1.29	.291	4.20	8.28
11	Red Sox	45	2007	162	.593	96	66	162	3.87	1,149	5	3	1438.2	1,350	618	657	151	482	62	20	6,071	33	7.19	3.02	2.38	0.94	18.9	7.9	1.27	.284	4.11	8.45
12	Red Sox	45	1991	162	.519	84	78	162	4.01	999	15	4	1439.2	1,405	642	712	147	530	31	59	6,126	42	6.25	3.31	1.88	0.92	16.3	8.7	1.34	.285	4.45	8.78
13	Red Sox	44	2010	162	.549	89	73	162	4.20	1,207	3	1	1456.2	1,402	679	744	152	580	53	30	6,267	58	7.46	3.58	2.08	0.94	19.3	9.3	1.36	.292	4.60	8.66
14	Red Sox	44	1993	162	.494	80	82	162	3.77	997	9	5	1452.1	1,379	609	698	127	552	48	87	6,201	42	6.18	3.42	1.81	0.79	16.1	8.9	1.33	.280	4.33	8.55
15	Red Sox	44	1990	162	.543	88	74	162	3.72	997	15	4	1442.0	1,439	596	664	92	519	45	47	6,174	63	6.22	3.24	1.92	0.57	16.1	8.4	1.36	.298	4.14	8.98
16	Red Sox	44	1970	162	.537	87	75	162	3.87	1,003	38	7	1446.1	1,391	622	722	156	594	44	49	6,258	70	6.24	3.70	1.69	0.97	16.0	9.5	1.37	.277	4.49	8.66
17	Red Sox	44	1967	162	.568	92	70	162	3.36	1,010	41	7	1459.1	1,307	545	614	142	477	47	44	6,098	56	6.23	2.94	2.12	0.88	16.6	7.8	1.22	.263	3.79	8.06
18	Red Sox	43	2016	162	.574	93	69	162	4.00	1,362	9	1	1439.2	1,342	640	694	176	490	65	16	6,073	52	8.51	3.06	2.78	1.10	22.4	8.1	1.27	.293	4.34	8.39
19	Red Sox	43	1980	160	.519	83	77	160	4.38	696	30	3	1441.1	1,557	701	767	129	481	31	54	6,192	28	4.35	3.00	1.45	0.81	11.2	7.8	1.41	.294	4.79	9.72
20	Red Sox	42	2023	162	.481	78	84	162	4.52	1,423	0	0	1430.0	1,416	718	776	208	497	83	21	6,168	49	8.96	3.13	2.86	1.31	23.1	8.1	1.34	.305	4.88	8.91
21	Red Sox	42	1989	162	.512	83	79	162	4.01	1,054	14	6	1460.1	1,448	650	735	131	548	35	51	6,248	40	6.50	3.38	1.92	0.81	16.9	8.8	1.37	.294	4.53	8.92
22	Red Sox	42	1983	162	.481	78	84	162	4.34	767	29	5	1446.1	1,572	697	775	158	493	31	43	6,255	28	4.77	3.07	1.56	0.98	12.3	7.9	1.43	.294	4.82	9.78
23	Red Sox	41	2009	162	.586	95	67	162	4.35	1,230	8	2	1436.2	1,494	695	736	167	530	68	24	6,283	42	7.71	3.32	2.32	1.05	19.6	8.4	1.41	.309	4.61	9.36
24	Red Sox	41	1986	161	.590	95	66	161	3.93	1,033	36	5	1429.2	1,469	625	696	167	474	26	35	6,102	55	6.50	2.98	2.18	1.05	16.9	7.8	1.36	.296	4.38	9.25
25	Red Sox	41	1969	162	.537	87	75	162	3.92	935	30	4	1466.2	1,423	639	736	155	685	48	42	6,391	61	5.74	4.20	1.36	0.95	14.6	10.7	1.44	.278	4.52	8.73