The Chicago White Sox had the most runs per game by a team in 1917, with 4.21.

	TEAM	R/G	R	G	SEASON	W%	W	L	AB	H	2B	3B	HR	RBI	BB	HBP	SO	SB	PA	TB	XBH	SH	AVG	OBP	SLG	OPS
1	White Sox	4.21	656	156	1917	.649	100	54	5,057	1,281	152	81	18	535	522	47	479	219	5,861	1,649	251	235	.253	.329	.326	.655
2	Tigers	4.15	639	154	1917	.510	78	75	5,093	1,317	204	77	25	535	483	45	476	163	5,814	1,750	306	193	.259	.328	.344	.672
3	Giants	4.02	635	158	1917	.636	98	56	5,211	1,360	170	71	39	537	373	52	533	162	5,787	1,789	280	151	.261	.317	.343	.660
4	Reds	3.83	601	157	1917	.506	78	76	5,251	1,385	196	100	26	513	312	34	477	153	5,728	1,859	322	131	.264	.309	.354	.663
5	Phillies	3.75	578	154	1917	.572	87	65	5,084	1,262	225	60	38	526	435	20	533	109	5,725	1,721	323	186	.248	.310	.339	.648
6	Indians	3.74	584	156	1917	.571	88	66	4,994	1,224	218	64	13	475	549	35	596	210	5,833	1,609	295	255	.245	.324	.322	.646
7	Red Sox	3.54	556	157	1917	.592	90	62	5,048	1,243	198	64	14	478	466	34	473	105	5,858	1,611	276	310	.246	.314	.319	.633
8	Cubs	3.52	552	157	1917	.481	74	80	5,135	1,229	194	67	17	458	415	23	599	127	5,775	1,608	278	202	.239	.299	.313	.612
9	Senators	3.46	543	157	1917	.484	74	79	5,142	1,238	173	70	4	462	500	43	574	166	5,864	1,563	247	179	.241	.313	.304	.617
10	Cardinals	3.45	531	154	1917	.539	82	70	5,083	1,271	159	93	26	436	359	24	652	159	5,626	1,694	278	160	.250	.303	.333	.636
11	Athletics	3.43	528	154	1917	.359	55	98	5,109	1,296	177	62	17	457	435	33	519	112	5,782	1,648	256	205	.254	.316	.323	.639
12	Braves	3.41	536	157	1917	.471	72	81	5,201	1,280	169	75	22	452	427	45	587	155	5,855	1,665	266	182	.246	.309	.320	.629
13	Yankees	3.38	524	155	1917	.464	71	82	5,136	1,226	172	52	27	445	496	38	535	136	5,858	1,583	251	188	.239	.310	.308	.619
14	Browns	3.3	511	155	1917	.370	57	97	5,091	1,250	183	63	15	425	405	31	540	157	5,693	1,604	261	166	.246	.305	.315	.620
15	Robins	3.28	511	156	1917	.464	70	81	5,251	1,299	159	78	25	429	334	29	527	130	5,776	1,689	262	162	.247	.296	.322	.618
16	Pirates	2.96	464	157	1917	.331	51	103	5,169	1,230	160	61	9	396	399	46	580	150	5,788	1,539	230	174	.238	.298	.298	.596