The New York Giants had the most runs by an NL team in a game in 1934, with 21 runs against the Phillies on August 4, 1934.

Interpreted as:

most runs by an nl team in a regular-season game in 1934

	TEAM	R	DATE	TM		OPP	RESULT	AB	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	GIDP	AVG	OBP	SLG	OPS
1	Giants	21	8/4/1934	NYG	@	PHN	W 21-4	50	23	4	0	3	18	2	1	2	0	0	53	36	7	0	0	.460	.491	.720	1.211
2	Phillies	18	7/14/1934	PHN	vs	CIN	W 18-0	41	19	5	0	0	17	7	0	1	2	0	49	24	5	1	1	.463	.542	.585	1.127
3	Giants	18	6/10/1934	NYG	@	PHN	W 18-7	47	20	4	0	2	16	7	0	1	2	0	56	30	6	2	1	.426	.500	.638	1.138
4	Cardinals	17	8/10/1934	SLN	vs	CHC	W 17-3	43	21	1	1	1	15	2	0	3	0	0	47	27	3	2	0	.488	.511	.628	1.139
5	Pirates	16	9/21/1934	PIT	vs	CIN	W 16-3	43	20	1	1	0	13	6	0	1	1	0	49	23	2	0	0	.465	.531	.535	1.065
6	Giants	16	8/9/1934	NYG	vs	BKN	W 16-5	41	15	0	1	1	14	4	1	1	0	0	47	20	2	1	0	.366	.435	.488	.923
7	Reds	16	7/6/1934	CIN	@	SLN	W 16-15	45	15	3	1	3	16	5	0	7	0	0	51	29	7	1	0	.333	.400	.644	1.044
8	Braves	16	7/6/1934	BSN	@	PHN	W 16-13	52	23	5	0	3	15	3	0	0	1	0	55	37	8	0	0	.442	.473	.712	1.184
9	Braves	16	6/2/1934	BSN	vs	BKN	W 16-6	38	16	8	1	0	15	4	0	4	1	0	44	26	9	2	0	.421	.476	.684	1.160
10	Phillies	16	5/20/1934	PHN	vs	PIT	W 16-4	46	23	7	0	0	15	2	1	1	4	0	51	30	7	2	0	.500	.531	.652	1.183
11	Cardinals	15	8/18/1934	SLN	vs	BSN	W 15-0	43	20	7	0	2	14	2	1	3	1	0	49	33	9	3	0	.465	.500	.767	1.267
12	Braves	15	8/14/1934	BSN	@	CHC	W 15-2	47	23	0	1	1	15	4	1	3	0	0	52	28	2	0	1	.489	.538	.596	1.134
13	Cardinals	15	7/6/1934	SLN	vs	CIN	L 15-16	43	16	5	1	1	15	11	0	9	0	0	54	26	7	0	0	.372	.500	.605	1.105
14	Giants	15	7/4/1934	NYG	vs	BSN	W 15-0	42	18	5	1	3	15	4	0	2	0	0	47	34	9	1	0	.429	.478	.810	1.288
15	Cubs	15	6/22/1934	CHC	vs	NYG	W 15-2	40	18	3	0	2	14	5	0	1	1	0	45	27	5	0	2	.450	.511	.675	1.186
16	Phillies	15	6/20/1934	PHN	@	CIN	W 15-10	42	18	3	1	1	13	4	1	5	2	0	50	26	5	3	1	.429	.489	.619	1.108
17	Pirates	15	6/13/1934	PIT	vs	BKN	W 15-2	41	17	6	3	0	14	5	1	3	1	0	47	29	9	0	2	.415	.489	.707	1.197
18	Cubs	15	4/22/1934	CHC	@	SLN	W 15-2	50	22	4	2	2	14	5	0	5	0	0	55	36	8	0	0	.440	.491	.720	1.211
19	Cubs	14	8/8/1934	CHC	@	PIT	W 14-3	43	16	3	3	0	13	6	0	3	0	0	51	25	6	2	0	.372	.449	.581	1.030
20	Cubs	14	7/21/1934	CHC	@	PHN	W 14-6	45	19	5	0	1	13	5	0	9	1	0	50	27	6	0	1	.422	.480	.600	1.080
21	Phillies	14	7/5/1934	PHN	vs	BSN	W 14-11	41	20	6	0	2	13	2	1	3	1	0	45	32	8	1	0	.488	.523	.780	1.303
22	Giants	14	6/7/1934	NYG	vs	BSN	W 14-5	38	14	4	0	4	13	6	0	7	0	0	44	30	8	0	1	.368	.455	.789	1.244
23	Pirates	14	4/19/1934	PIT	@	SLN	W 14-4	47	19	6	1	0	12	4	0	5	1	0	52	27	7	1	2	.404	.451	.574	1.025
24	Cardinals	13	9/21/1934	SLN	@	BKN	W 13-0	40	17	4	1	1	13	5	0	8	1	0	46	26	6	1	0	.425	.489	.650	1.139
25	Pirates	13	8/2/1934	PIT	@	CIN	W 13-3	42	14	1	0	0	8	4	0	2	0	0	46	15	1	0	1	.333	.391	.357	.748