Roger Maris: 1960-1961 righty/lefty, home/road splits.

Roger Maris: as well as he hit Home Runs in 1960, he improved in all four groups in 1961.

T (throws): L or R, At: @ road, AB/HR: lower is better

theYear	T	At	AB	HR	AB/HR	BA	OBP	SLG	OPS	PA	Outs	Hits	1B	2B	3B	SO	BB	HBP	SF	TB
1960	L		66	2	33.00	.258	.380	.364	.743	79	49	17	14	1	0	16	11	2	0	24
1960	L	@	71	3	23.67	.141	.208	.268	.475	77	61	10	7	0	0	12	5	1	0	19
1960	R		168	11	15.27	.262	.315	.542	.857	181	124	44	22	8	3	19	13	0	0	91
1960	R	@	200	23	8.70	.350	.451	.780	1.231	237	130	70	34	9	4	18	37	0	0	156
1961	L		99	8	12.38	.242	.324	.515	.839	111	75	24	13	3	0	16	11	1	0	51
1961	L	@	81	4	20.25	.210	.373	.407	.780	102	64	17	9	4	0	14	19	2	0	33
1961	R		185	22	8.41	.303	.397	.676	1.073	214	129	56	31	3	0	15	28	1	0	125
1961	R	@	232	27	8.59	.267	.373	.677	1.049	271	170	62	25	6	4	22	36	3	0	157

Mickey Mantle 1961 AB/HR:
L 23
L @ 10.7
R 6.9
R @ 9.1

In 1961 Maris had a better HR rate than Mantle against righties on the road: 8.4 to 9.1.

Roger Maris 1961 home run splits.  Monday, May 15, 2017

Roger Maris hit 61 home runs in 1961, breaking the old record of 60 set by Babe Ruth in 1927...

In 1961 the American League expanded by 25%, increasing from 8 to 10 teams. The National did the same in 1962. The schedule increased five percent from 154 games to 162. Five percent of 60 is 3. In a general sense to equal 60 HR in 162 games the total should be 63 HR...

Weaker pitchers and weaker batters were playing in the AL and NL who would not have been playing in 1960. There's no getting around that.

Did Maris specifically take advantage of the two new expansion teams? It doesn't really matter as all teams were impacted...

In 1960 Maris had a much better HR Rate on the road, about what he had on the road in 1961. He was on pace to hit about 55 HR in 1960 when he was injured...

Roger Maris had become a Home Run hitter in 1960.
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Roger Maris Home Run graph by PA 1960-1961. Tied at PA 338.  Monday, June 5, 2017