The Montreal Expos had their most runs in a game in 1979 against the Astros on June 17, 1979, with 19 runs.

Interpreted as:

montreal expos most run in a regular-season game 1979

	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	6/17/1979	MON	vs	HOU	W 19-3	44	24	5	1	5	19	3	1	5	0	0	48	46	11	0	0	0	3	.545	.583	1.045	1.629
2	Expos	15	7/22/1979	MON	@	SFG	W 15-5	43	18	2	0	1	15	7	1	9	3	0	53	23	3	1	1	2	0	.419	.500	.535	1.035
3	Expos	14	4/27/1979	MON	vs	SFG	W 14-8	41	17	3	0	4	14	3	0	3	1	0	44	32	7	0	0	0	0	.415	.455	.780	1.235
4	Expos	13	9/2/1979	MON	vs	CIN	W 13-1	44	21	3	1	1	11	0	1	5	1	0	45	29	5	0	0	0	1	.477	.489	.659	1.148
5	Expos	12	6/6/1979	MON	@	ATL	W 12-2	43	15	3	0	0	10	3	0	7	1	0	46	18	3	0	0	0	1	.349	.391	.419	.810
6	Expos	12	5/4/1979	MON	@	SDP	W 12-1	39	15	3	0	2	12	2	1	2	0	0	43	24	5	1	0	0	2	.385	.429	.615	1.044
7	Expos	10	8/3/1979	MON	vs	NYM	W 10-6	35	14	1	2	2	10	6	0	4	1	2	42	25	5	1	0	0	0	.400	.488	.714	1.202
8	Expos	10	7/13/1979	MON	vs	SDP	W 10-7	34	11	5	1	0	8	7	1	4	0	0	45	18	6	2	1	2	0	.324	.442	.529	.971
9	Expos	10	5/20/1979	MON	@	PHI	W 10-6	39	14	4	1	1	8	7	1	5	0	0	48	23	6	0	1	2	1	.359	.458	.590	1.048
10	Expos	10	5/19/1979	MON	@	PHI	W 10-5	42	16	3	0	5	10	2	1	11	1	0	45	34	8	0	0	0	0	.381	.422	.810	1.232
11	Expos	9	5/29/1979	MON	vs	PHI	W 9-0	35	12	5	0	1	9	2	0	7	0	0	38	20	6	1	0	1	0	.343	.378	.571	.950
12	Expos	9	4/25/1979	MON	vs	SDP	W 9-6	35	14	2	1	1	7	3	0	8	0	0	40	21	4	1	1	0	1	.400	.436	.600	1.036
13	Expos	8	9/22/1979	MON	@	PHI	L 8-9	35	9	1	0	1	8	5	0	9	0	1	42	13	2	0	2	0	1	.257	.333	.371	.705
14	Expos	8	9/22/1979	MON	@	PHI	W 8-2	33	10	2	0	4	8	3	1	5	0	1	38	24	6	1	0	0	1	.303	.378	.727	1.106
15	Expos	8	9/11/1979	MON	vs	CHC	W 8-6	35	13	2	1	2	8	3	1	8	1	0	40	23	5	0	1	2	1	.371	.425	.657	1.082
16	Expos	8	8/31/1979	MON	vs	CIN	W 8-7	41	14	3	2	2	8	3	0	6	1	0	45	27	7	0	1	0	0	.341	.378	.659	1.036
17	Expos	8	7/23/1979	MON	@	SFG	W 8-3	36	11	0	0	3	8	3	0	2	0	0	40	20	3	1	0	0	2	.306	.359	.556	.915
18	Expos	8	6/25/1979	MON	@	STL	W 8-2	35	9	2	0	3	8	3	0	7	2	0	38	20	5	0	0	1	1	.257	.316	.571	.887
19	Expos	8	6/4/1979	MON	@	ATL	W 8-1	36	10	2	0	1	7	6	0	5	2	0	45	15	3	1	2	1	1	.278	.364	.417	.780
20	Expos	8	5/27/1979	MON	vs	STL	W 8-3	35	10	2	0	1	8	1	0	6	0	0	36	15	3	0	0	1	0	.286	.306	.429	.734
21	Expos	8	4/30/1979	MON	vs	LAD	W 8-4	33	11	4	1	2	8	4	1	6	1	1	38	23	7	0	0	0	1	.333	.421	.697	1.118
22	Expos	7	9/24/1979	MON	@	PIT	W 7-6	36	13	2	0	1	7	6	0	3	0	1	43	18	3	1	0	0	2	.361	.452	.500	.952
23	Expos	7	9/23/1979	MON	@	PHI	W 7-4	39	15	4	0	3	7	3	2	6	3	1	45	28	7	1	0	1	0	.385	.455	.718	1.172
24	Expos	7	9/8/1979	MON	@	STL	W 7-2	36	11	3	0	0	7	1	0	9	1	0	39	14	3	1	1	0	0	.306	.316	.389	.705
25	Expos	7	9/3/1979	MON	vs	NYM	W 7-2	36	13	4	0	2	6	2	0	4	0	0	38	23	6	0	0	2	0	.361	.395	.639	1.034