The Oakland Athletics, the Minnesota Twins and the Cincinnati Reds were tied for the most runs in a game in 1989, with 19 runs.

Interpreted as:

MLB team most run in a regular-season game 1989

	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	Athletics	19	8/29/1989	OAK	@	NYY	W 19-5	46	18	2	2	2	17	5	1	6	1	0	52	30	6	0	0	0	0	.391	.462	.652	1.114
2	Twins	19	5/20/1989	MIN	@	TEX	W 19-3	46	20	2	0	4	19	8	0	6	1	0	55	34	6	0	1	0	0	.435	.509	.739	1.248
3	Reds	19	5/1/1989	CIN	@	MON	W 19-6	44	21	4	0	2	17	7	0	6	1	1	53	31	6	0	2	1	0	.477	.528	.705	1.233
4	Reds	18	8/3/1989	CIN	vs	HOU	W 18-2	50	26	5	0	3	16	1	0	3	1	0	51	40	8	0	0	0	1	.520	.529	.800	1.329
5	Indians	17	7/23/1989	CLE	@	KCR	W 17-5	41	16	4	1	2	16	7	1	3	0	0	50	28	7	1	0	1	1	.390	.490	.683	1.173
6	Padres	17	7/18/1989	SDP	vs	PIT	W 17-4	43	22	2	0	3	17	7	0	4	1	0	51	33	5	0	1	1	0	.512	.569	.767	1.336
7	Brewers	17	6/23/1989	MIL	vs	CWS	W 17-5	44	19	3	0	3	15	4	0	6	0	0	49	31	6	1	0	0	1	.432	.479	.705	1.184
8	Pirates	17	5/21/1989	PIT	@	HOU	W 17-5	46	18	4	2	2	15	3	1	4	0	0	52	32	8	1	1	0	0	.391	.431	.696	1.127
9	Phillies	16	8/10/1989	PHI	@	CHC	W 16-13	43	17	2	0	4	15	7	0	7	1	0	51	31	6	0	1	0	0	.395	.471	.721	1.192
10	Tigers	16	6/30/1989	DET	@	BAL	W 16-5	40	18	2	0	3	14	6	0	4	0	1	49	29	5	2	1	1	1	.450	.511	.725	1.236
11	Orioles	16	6/27/1989	BAL	vs	TOR	W 16-6	35	11	5	0	2	14	15	0	6	0	0	52	22	7	0	2	1	2	.314	.500	.629	1.129
12	Orioles	16	6/5/1989	BAL	@	NYY	W 16-3	41	9	3	0	3	12	5	0	8	0	0	46	21	6	0	0	1	0	.220	.304	.512	.817
13	Brewers	15	7/28/1989	MIL	@	TEX	W 15-3	41	15	3	2	1	15	4	3	2	1	0	49	25	6	0	1	1	0	.366	.449	.610	1.059
14	Mets	15	6/16/1989	NYM	@	PHI	W 15-11	43	17	6	1	1	14	7	1	7	2	0	52	28	8	0	1	1	0	.395	.481	.651	1.132
15	Phillies	15	6/8/1989	PHI	vs	PIT	W 15-11	37	15	3	1	4	14	9	0	7	0	0	47	32	8	1	0	1	0	.405	.522	.865	1.387
16	Cubs	15	6/5/1989	CHC	vs	NYM	W 15-3	37	13	2	2	2	15	4	1	1	1	0	44	25	6	1	1	0	0	.351	.419	.676	1.094
17	Blue Jays	15	4/16/1989	TOR	vs	KCR	W 15-8	40	17	7	1	2	15	9	0	7	3	0	50	32	10	1	0	1	0	.425	.531	.800	1.331
18	Cardinals	15	4/9/1989	STL	@	PHI	W 15-3	43	19	7	0	1	14	3	0	8	0	0	48	29	8	1	1	0	1	.442	.468	.674	1.143
19	Brewers	14	9/21/1989	MIL	@	NYY	W 14-1	38	14	5	1	1	12	6	1	8	0	0	47	24	7	0	2	0	0	.368	.447	.632	1.078
20	Dodgers	14	9/10/1989	LAD	@	SDP	W 14-8	45	19	3	0	3	14	3	0	7	0	0	48	31	6	0	0	1	1	.422	.458	.689	1.147
21	Twins	14	7/30/1989	MIN	@	DET	W 14-3	41	16	2	0	3	13	4	0	7	1	0	47	27	5	0	2	1	1	.390	.426	.659	1.084
22	Mariners	14	7/29/1989	SEA	@	OAK	W 14-6	39	12	2	0	0	12	13	0	7	0	0	52	14	2	0	0	0	0	.308	.481	.359	.840
23	Royals	14	7/14/1989	KCR	@	NYY	W 14-5	42	18	2	0	5	14	3	1	8	3	0	46	35	7	0	0	1	1	.429	.478	.833	1.312
24	Cardinals	14	7/6/1989	STL	vs	LAD	W 14-2	40	16	6	1	0	14	7	1	9	1	0	48	24	7	0	0	2	0	.400	.500	.600	1.100
25	Red Sox	14	6/10/1989	BOS	@	NYY	W 14-8	48	19	2	0	3	13	3	0	4	0	0	51	30	5	0	0	1	0	.396	.431	.625	1.056