how many mlb players have more than 48 home runs in a three season stretch

Babe Ruth homered 54 times in 1920.

	NAME	HR	SEASON	TM	G	AB	R	H	2B	3B	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Babe Ruth B. Ruth	54	1920	NYY	142	458	158	172	36	9	135	150	3	80	14	14	616	388	99	5				.376	.532	.847	1.379	191	120.9	.597	237	110.5
2	Babe Ruth B. Ruth	59	1921	NYY	152	540	177	204	44	16	168	145	4	81	17	13	693	457	119	4				.378	.512	.846	1.359	214	127.8	.575	224	118.7
3	Babe Ruth B. Ruth	60	1927	NYY	151	540	158	192	29	8	165	137	0	89	7	6	691	417	97	14				.356	.486	.772	1.258	195	109.9	.545	212	104.8
4	Babe Ruth B. Ruth	54	1928	NYY	154	536	163	173	29	8	146	137	3	87	4	5	684	380	91	8				.323	.463	.709	1.172	174	90.6	.510	201	89.3
5	Babe Ruth B. Ruth	49	1930	NYY	145	518	150	186	28	9	153	136	1	61	10	10	676	379	86	21				.359	.493	.732	1.225	192	97	.517	204	100.6
6	Hack Wilson H. Wilson	56	1930	CHC	155	585	146	208	35	6	191	105	1	84	3		709	423	97	18				.356	.454	.723	1.177	189	89	.497	171	78.9
7	Jimmie Foxx J. Foxx	58	1932	PHA	154	585	151	213	33	9	169	116	0	96	3	7	701	438	100	0				.364	.469	.749	1.218	193	105.6	.522	198	95.8
8	Lou Gehrig L. Gehrig	49	1934	NYY	154	579	128	210	40	6	166	109	2	31	9	5	690	409	95	0				.363	.465	.706	1.172	182	94.8	.511	194	90.9
9	Lou Gehrig L. Gehrig	49	1936	NYY	155	579	167	205	37	7	152	130	7	46	3	4	719	403	93	3				.354	.478	.696	1.174	192	97.6	.512	178	85.8
10	Jimmie Foxx J. Foxx	50	1938	BSA	149	565	139	197	33	9	175	119	0	76	5	4	685	398	92	1				.349	.462	.704	1.166	178	91.7	.508	173	74.2
11	Hank Greenberg H. Greenberg	58	1938	DET	155	556	143	175	23	4	147	119	3	92	7	5	681	380	85	3				.315	.438	.683	1.122	166	80.3	.489	162	62
12	Ralph Kiner R. Kiner	51	1947	PIT	152	565	118	177	23	4	127	98	2	81	1		666	361	78	1			12	.313	.417	.639	1.055	145	69.5	.472	169	58.2
13	Johnny Mize J. Mize	51	1947	NYG	154	586	137	177	26	2	138	74	4	42	2		664	360	79	0			6	.302	.384	.614	.998	132	57.1	.448	156	47.4
14	Ralph Kiner R. Kiner	54	1949	PIT	152	549	116	170	19	5	127	117	1	61	6		667	361	78	0			10	.310	.432	.658	1.089	153	73.4	.484	179	65.8
15	Ted Kluszewski T. Kluszewski	49	1954	CIN	149	573	104	187	28	3	141	78	3	35	0	2	659	368	80	0	5		12	.326	.407	.642	1.049	140	65.5	.461	164	54
16	Willie Mays W. Mays	51	1955	NYG	152	580	123	185	18	13	127	79	4	60	24	4	670	382	82	0	7	13	12	.319	.400	.659	1.059	143	65.3	.450	171	59.7
17	Mickey Mantle M. Mantle	52	1956	NYY	150	533	132	188	22	5	130	112	2	99	10	1	652	376	79	1	4	6	4	.353	.464	.705	1.169	164	88.9	.498	202	84.6
18	Mickey Mantle M. Mantle	54	1961	NYY	153	514	131	163	16	6	128	126	0	112	12	1	646	353	76	1	5	9	2	.317	.448	.687	1.135	156	79.6	.478	197	78.8
19	Roger Maris R. Maris	61	1961	NYY	161	590	132	159	16	4	141	94	7	67	0	0	698	366	81	0	7	0	16	.269	.372	.620	.993	138	55.9	.424	162	55.1
20	Willie Mays W. Mays	49	1962	SFG	162	621	130	189	36	5	141	78	4	85	18	2	706	382	90	0	3	11	19	.304	.384	.615	.999	141	59.1	.428	163	55.4
21	Harmon Killebrew H. Killebrew	49	1964	MIN	158	577	95	156	11	1	111	93	8	135	0	0	682	316	61	0	4	5	15	.270	.377	.548	.924	123	49.9	.404	152	41.6
22	Willie Mays W. Mays	52	1965	SFG	157	558	118	177	21	3	112	76	0	71	9	4	638	360	76	2	2	16	11	.317	.398	.645	1.043	136	68.2	.448	186	62.7
23	Frank Robinson F. Robinson	49	1966	BAL	155	576	122	182	34	2	122	87	10	90	8	5	680	367	85	0	7	11	24	.316	.410	.637	1.047	146	73.4	.447	195	71.4
24	Harmon Killebrew H. Killebrew	49	1969	MIN	162	555	106	153	20	2	140	145	5	84	8	2	709	324	71	0	4	20	16	.276	.427	.584	1.011	143	67.4	.441	173	59.9
25	George Foster G. Foster	52	1977	CIN	158	615	124	197	31	2	149	61	5	107	6	4	689	388	85	0	8	10	17	.320	.382	.631	1.013	139	58.4	.430	165	54.1