biggest average margin of victory in a world series

The Boston Red Sox have the highest run differential per game by a team in a World Series, with 4.75.

Interpreted as:

biggest average margin of victory per game in a world series

	TEAM	DIFF/G	DIFF	G	SEASON	SERIES	W%	W	L	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Red Sox	4.75	19	4	2007	World Series	1.000	4	0	141	29	47	18	0	3	29	19	1	20	2	0	165	74	21	2	2	3	3	.333	.411	.525	.936
2	Athletics	4.5	18	4	1989	World Series	1.000	4	0	146	32	44	8	3	9	30	18	1	22	4	1	165	85	20	0	0	3	2	.301	.382	.582	.964
3	Yankees	4.5	18	4	1932	World Series	1.000	4	0	144	37	45	6	0	8	36	23	4	26	0	2	172	75	14	1		3	5	.313	.421	.521	.942
4	Yankees	4.25	17	4	1928	World Series	1.000	4	0	134	27	37	7	0	9	25	13	1	13	4	0	151	71	16	3		0	3	.276	.345	.530	.874
5	Yankees	4	28	7	1960	World Series	.429	3	4	269	55	91	13	4	10	54	18	2	40	0	2	292	142	27	2	1	3	5	.338	.383	.528	.911
6	Athletics	4	20	5	1910	World Series	.800	4	1	177	35	57	19	2	1	30	17	2	24	7	7	203	83	22	7		0	3	.322	.388	.469	.857
7	Reds	3.5	14	4	1990	World Series	1.000	4	0	142	22	45	9	2	3	21	15	1	9	2	2	160	67	14	1	1	1	5	.317	.384	.472	.855
8	Reds	3.5	14	4	1976	World Series	1.000	4	0	134	22	42	10	3	4	21	12	0	16	7	4	148	70	17	0	2	2	5	.313	.365	.522	.887
9	Giants	3.4	17	5	2010	World Series	.800	4	1	169	29	42	11	1	7	29	11	3	43	1	1	184	76	19	1	0	0	2	.249	.306	.450	.756
10	Yankees	3.33	20	6	1936	World Series	.667	4	2	215	43	65	8	1	7	41	26	1	35	1	5	245	96	16	3		1	3	.302	.380	.447	.827
11	Diamondbacks	3.29	23	7	2001	World Series	.571	4	3	246	37	65	14	0	6	36	17	6	70	2	2	276	97	20	5	2	6	5	.264	.325	.394	.719
12	Yankees	3.25	13	4	1998	World Series	1.000	4	0	139	26	43	5	0	6	25	20	1	29	1	1	162	66	11	1	1	3	4	.309	.398	.475	.872
13	Yankees	3.25	13	4	1938	World Series	1.000	4	0	135	22	37	6	1	5	21	11	1	16	3	2	148	60	12	1		1	2	.274	.333	.444	.778
14	Yankees	3.25	13	4	1927	World Series	1.000	4	0	136	23	38	6	2	2	19	13	1	25	2	0	152	54	10	2		1	2	.279	.347	.397	.744
15	Yankees	3.2	16	5	1937	World Series	.800	4	1	169	28	42	6	4	4	25	21	1	21	0	0	193	68	14	2		4	4	.249	.335	.402	.737
16	Red Sox	3	12	4	2004	World Series	1.000	4	0	138	24	39	11	2	4	24	24	4	20	0	0	167	66	17	1	0	1	3	.283	.404	.478	.882
17	Yankees	3	12	4	1999	World Series	1.000	4	0	137	21	37	5	0	5	20	13	0	31	5	1	153	57	10	3	0	3	3	.270	.333	.416	.749
18	Giants	3	12	4	1954	World Series	1.000	4	0	130	21	33	3	0	2	20	17	0	24	1	1	155	42	5	6	2	4	1	.254	.336	.323	.659
19	Yankees	3	12	4	1939	World Series	1.000	4	0	131	20	27	4	1	7	18	9	0	20	0	0	142	54	12	2		1	1	.206	.257	.412	.669
20	Yankees	2.8	14	5	1961	World Series	.800	4	1	165	27	42	8	1	7	26	24	0	25	1	1	193	73	16	3	1	5	4	.255	.347	.442	.790
21	Orioles	2.75	11	4	1966	World Series	1.000	4	0	120	13	24	3	1	4	10	11	0	17	0	1	133	41	8	2	0	2	4	.200	.267	.342	.609
22	Orioles	2.6	13	5	1970	World Series	.800	4	1	171	33	50	7	0	10	32	20	0	33	0	2	193	87	17	2	0	3	3	.292	.366	.509	.875
23	Cubs	2.6	13	5	1907	World Series	1.000	4	0	166	19	42	6	1	0	15	13	4	26	16	5	192	50	7	9		0	0	.253	.322	.301	.624
24	Giants	2.5	10	4	2012	World Series	1.000	4	0	132	16	32	4	2	4	15	9	0	41	3	1	143	52	10	1	1	1	2	.242	.289	.394	.683
25	Braves	2.5	10	4	1914	World Series	1.000	4	0	135	16	33	6	2	1	14	15	1	18	9	3	153	46	9	2		1	3	.244	.325	.341	.665