The Montreal Expos scored their most runs in a game in 1978 on July 30, 1978 and on May 7, 1978, with 19 runs.

Interpreted as:

montreal expos most runs in a regular-season game 1978

	TEAM	R	DATE	TM		OPP	RESULT	AB	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Expos	19	7/30/1978	MON	@	ATL	W 19-0	51	28	6	0	8	19	3	1	6	0	0	57	58	14	1	1	0	1	.549	.571	1.137	1.709
2	Expos	19	5/7/1978	MON	@	CIN	W 19-5	47	20	2	2	3	16	6	0	10	0	0	54	35	7	0	1	0	0	.426	.481	.745	1.226
3	Expos	15	5/27/1978	MON	@	PIT	W 15-1	46	20	7	1	2	15	0	0	8	0	0	48	35	10	0	2	0	0	.435	.417	.761	1.178
4	Expos	11	5/25/1978	MON	@	STL	W 11-2	36	11	2	0	0	9	0	2	5	1	0	42	13	2	3	1	0	0	.306	.333	.361	.694
5	Expos	10	9/5/1978	MON	@	CHC	W 10-8	39	13	4	0	2	10	3	0	3	1	0	42	23	6	0	0	0	2	.333	.381	.590	.971
6	Expos	10	6/9/1978	MON	vs	LAD	W 10-9	37	15	2	0	1	9	4	1	10	0	0	42	20	3	0	0	1	2	.405	.476	.541	1.017
7	Expos	10	5/3/1978	MON	vs	HOU	W 10-3	35	12	2	1	1	8	10	0	6	0	0	46	19	4	0	1	0	0	.343	.478	.543	1.021
8	Expos	9	5/31/1978	MON	vs	CHC	W 9-1	35	9	0	0	2	6	2	0	4	0	0	37	15	2	0	0	0	0	.257	.297	.429	.726
9	Expos	8	9/6/1978	MON	vs	NYM	W 8-2	29	15	5	0	0	8	1	0	0	0	0	32	20	5	2	0	0	1	.517	.533	.690	1.223
10	Expos	8	8/25/1978	MON	@	SFG	W 8-5	44	16	1	0	3	8	1	0	10	2	1	46	26	4	1	0	0	0	.364	.378	.591	.969
11	Expos	8	7/19/1978	MON	vs	ATL	W 8-6	38	13	4	0	2	8	3	1	2	2	0	42	23	6	0	0	0	0	.342	.405	.605	1.010
12	Expos	8	7/15/1978	MON	vs	HOU	W 8-0	34	10	3	1	1	7	1	0	4	0	0	35	18	5	0	0	0	0	.294	.314	.529	.844
13	Expos	8	7/8/1978	MON	@	PHI	W 8-1	37	12	3	1	2	8	5	0	4	0	0	43	23	6	1	0	1	1	.324	.405	.622	1.026
14	Expos	8	6/7/1978	MON	vs	SDP	W 8-3	34	11	3	0	1	8	4	0	2	0	1	39	17	4	1	0	1	1	.324	.395	.500	.895
15	Expos	8	4/19/1978	MON	@	CHC	W 8-6	40	12	2	1	1	8	4	0	2	0	0	44	19	4	0	0	1	0	.300	.364	.475	.839
16	Expos	8	4/12/1978	MON	@	PHI	W 8-7	35	11	5	0	2	8	3	1	7	0	1	40	22	7	1	0	2	1	.314	.385	.629	1.013
17	Expos	7	9/29/1978	MON	@	STL	W 7-5	36	11	3	1	0	7	1	0	10	0	0	38	16	4	0	1	0	0	.306	.316	.444	.760
18	Expos	7	8/5/1978	MON	@	CHC	W 7-4	35	10	2	0	0	7	4	0	4	0	0	40	12	2	0	1	3	1	.286	.350	.343	.693
19	Expos	7	7/20/1978	MON	vs	ATL	W 7-3	32	9	1	1	1	6	5	1	2	1	0	38	15	3	0	0	2	0	.281	.395	.469	.863
20	Expos	7	7/9/1978	MON	@	PHI	L 7-8	40	14	2	1	5	7	1	0	10	1	2	41	33	8	0	0	1	0	.350	.366	.825	1.191
21	Expos	7	7/7/1978	MON	@	PHI	W 7-4	38	15	3	0	3	6	1	0	4	1	0	40	27	6	1	0	0	2	.395	.410	.711	1.121
22	Expos	7	5/30/1978	MON	vs	CHC	W 7-4	33	11	2	0	3	7	0	1	4	1	1	34	22	5	0	0	0	1	.333	.353	.667	1.020
23	Expos	7	5/9/1978	MON	@	ATL	W 7-6	41	13	2	0	1	7	3	1	8	0	0	45	18	3	0	0	0	0	.317	.378	.439	.817
24	Expos	7	4/22/1978	MON	vs	PHI	W 7-3	34	12	4	0	0	7	4	1	6	0	0	40	16	4	0	1	1	1	.353	.425	.471	.896
25	Expos	6	9/14/1978	MON	@	NYM	L 6-7	35	11	3	0	1	6	4	0	6	0	0	40	17	4	0	1	0	0	.314	.375	.486	.861