which mlb team has the fewest runs allowed in a 162 game season (before 2020)

Before 2020, 17 teams were tied for giving up the fewest runs in a game, with 0 runs. The first three are the St. Louis Cardinals on September 29, 2019 and on September 13, 2019, the Arizona Diamondbacks on September 29, 2019, on September 20, 2019 and on September 14, 2019 and the Los Angeles Dodgers on September 29, 2019, on September 28, 2019 and on September 26, 2019.

Interpreted as:

Which MLB team has the fewest runs allowed in a 162 regular-season game season (before 2020)?

	TEAM	R	DATE	TM		OPP	RESULT	ERA	SO	SHO	SV	IP	H	ER	HR	BB	HBP	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Cardinals	0	9/29/2019	STL	vs	CHC	W 9-0	0.00	7	0	0	9.0	3	0	0	1	0	0	28	0	7.00	1.00	7.00	0.00	25.0	3.6	0.44	.150	0.00	3.00
2	Diamondbacks	0	9/29/2019	ARI	vs	SDP	W 1-0	0.00	7	0	0	9.0	8	0	0	0	1	0	34	0	7.00	0.00		0.00	20.6	0.0	0.89	.308	0.00	8.00
3	Dodgers	0	9/29/2019	LAD	@	SFG	W 9-0	0.00	8	0	0	9.0	3	0	0	3	0	0	31	0	8.00	3.00	2.67	0.00	25.8	9.7	0.67	.150	0.00	3.00
4	Dodgers	0	9/28/2019	LAD	@	SFG	W 2-0	0.00	12	0	1	9.0	7	0	0	0	1	0	35	0	12.00	0.00		0.00	34.3	0.0	0.78	.318	0.00	7.00
5	Mets	0	9/28/2019	NYM	vs	ATL	W 3-0	0.00	12	0	1	9.0	4	0	0	5	1	1	37	2	12.00	5.00	2.40	0.00	32.4	13.5	1.00	.211	0.00	4.00
6	Athletics	0	9/28/2019	OAK	@	SEA	W 1-0	0.00	6	0	1	9.0	6	0	0	1	1	0	35	1	6.00	1.00	6.00	0.00	17.1	2.9	0.78	.222	0.00	6.00
7	Astros	0	9/27/2019	HOU	@	LAA	W 4-0	0.00	7	0	0	9.0	3	0	0	1	0	0	29	0	7.00	1.00	7.00	0.00	24.1	3.4	0.44	.143	0.00	3.00
8	Dodgers	0	9/26/2019	LAD	@	SDP	W 1-0	0.00	12	0	1	9.0	3	0	0	2	0	0	32	1	12.00	2.00	6.00	0.00	37.5	6.3	0.56	.167	0.00	3.00
9	White Sox	0	9/26/2019	CWS	vs	CLE	W 8-0	0.00	10	0	0	9.0	4	0	0	0	0	0	32	0	10.00	0.00		0.00	31.3	0.0	0.44	.182	0.00	4.00
10	Rays	0	9/25/2019	TBR	vs	NYY	W 4-0	0.00	16	0	0	9.0	1	0	0	5	0	0	32	0	16.00	5.00	3.20	0.00	50.0	15.6	0.67	.091	0.00	1.00
11	Astros	0	9/25/2019	HOU	@	SEA	W 3-0	0.00	10	0	1	9.0	2	0	0	1	0	0	29	0	10.00	1.00	10.00	0.00	34.5	3.4	0.33	.111	0.00	2.00
12	Indians	0	9/24/2019	CLE	@	CWS	W 11-0	0.00	14	0	0	9.0	6	0	0	1	0	0	34	0	14.00	1.00	14.00	0.00	41.2	2.9	0.78	.316	0.00	6.00
13	Astros	0	9/24/2019	HOU	@	SEA	W 3-0	0.00	18	0	1	9.0	4	0	0	1	0	0	32	1	18.00	1.00	18.00	0.00	56.3	3.1	0.56	.308	0.00	4.00
14	Braves	0	9/20/2019	ATL	vs	SFG	W 6-0	0.00	7	0	0	9.0	4	0	0	1	0	0	33	0	7.00	1.00	7.00	0.00	21.2	3.0	0.56	.160	0.00	4.00
15	Athletics	0	9/20/2019	OAK	vs	TEX	W 8-0	0.00	7	0	0	9.0	2	0	0	0	0	0	27	0	7.00	0.00		0.00	25.9	0.0	0.22	.100	0.00	2.00
16	Diamondbacks	0	9/20/2019	ARI	@	SDP	W 9-0	0.00	12	0	0	9.0	3	0	0	3	0	0	32	0	12.00	3.00	4.00	0.00	37.5	9.4	0.67	.176	0.00	3.00
17	Indians	0	9/19/2019	CLE	vs	DET	W 7-0	0.00	9	0	0	9.0	9	0	0	1	0	0	37	0	9.00	1.00	9.00	0.00	24.3	2.7	1.11	.333	0.00	9.00
18	Athletics	0	9/18/2019	OAK	vs	KCR	W 1-0	0.00	19	0	0	11.0	4	0	0	3	0	2	39	0	15.55	2.45	6.33	0.00	48.7	7.7	0.64	.235	0.00	3.27
19	Yankees	0	9/17/2019	NYY	vs	LAA	W 8-0	0.00	13	0	0	9.0	6	0	0	4	1	0	36	1	13.00	4.00	3.25	0.00	36.1	11.1	1.11	.333	0.00	6.00
20	Mariners	0	9/17/2019	SEA	@	PIT	W 6-0	0.00	5	0	0	9.0	8	0	0	1	0	0	34	0	5.00	1.00	5.00	0.00	14.7	2.9	1.00	.286	0.00	8.00
21	Nationals	0	9/15/2019	WSH	vs	ATL	W 7-0	0.00	5	0	0	9.0	4	0	0	1	0	0	32	0	5.00	1.00	5.00	0.00	15.6	3.1	0.56	.154	0.00	4.00
22	Twins	0	9/14/2019	MIN	@	CLE	W 2-0	0.00	9	0	1	9.0	5	0	0	1	2	0	36	0	9.00	1.00	9.00	0.00	25.0	2.8	0.67	.208	0.00	5.00
23	Mets	0	9/14/2019	NYM	vs	LAD	W 3-0	0.00	12	0	1	9.0	3	0	0	0	1	0	31	0	12.00	0.00		0.00	38.7	0.0	0.33	.167	0.00	3.00
24	Diamondbacks	0	9/14/2019	ARI	vs	CIN	W 1-0	0.00	7	0	1	9.0	3	0	0	2	0	0	30	0	7.00	2.00	3.50	0.00	23.3	6.7	0.56	.143	0.00	3.00
25	Braves	0	9/13/2019	ATL	@	WSH	W 5-0	0.00	6	0	0	9.0	3	0	0	3	0	0	32	0	6.00	3.00	2.00	0.00	18.8	9.4	0.67	.130	0.00	3.00