highest era in a game by a team with at least 10 ip

The Chicago Cubs have the worst ERA by a team in a game with 10.0+ innings pitched, with an ERA of 18.90 versus the Phillies on May 17, 1979.

Interpreted as:

highest era in a regular-season game by a team with at least 10 ip

	TEAM	ERA	IP	DATE	TM		OPP	RESULT	SO	SHO	SV	H	ER	R	HR	BB	HBP	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Cubs	18.90	10.0	5/17/1979	CHC	vs	PHI	L 22-23	7	0	0	24	21	23	5	12	1	4	68	0	6.30	10.80	0.58	4.50	10.3	17.6	3.60	.442	20.70	21.60
2	Phillies	17.10	10.0	5/17/1979	PHI	@	CHC	W 23-22	4	0	0	26	19	22	6	3	0	0	59	0	3.60	2.70	1.33	5.40	6.8	5.1	2.90	.435	19.80	23.40
3	Cubs	16.20	10.0	4/17/1976	CHC	vs	PHI	L 16-18	5	0	0	24	18	18	6	3	0	0	56	0	4.50	2.70	1.67	5.40	8.9	5.4	2.70	.429	16.20	21.60
4	Cardinals	16.20	10.0	7/1/1956	STL	vs	CIN	L 15-19	6	0	0	20	18	19	5	8	1	0	59	1	5.40	7.20	0.75	4.50	10.2	13.6	2.80	.385	17.10	18.00
5	Angels	14.40	10.0	8/6/1994	CAL	vs	CWS	L 10-16	4	0	0	17	16	16	2	13	1	2	59	0	3.60	11.70	0.31	1.80	6.8	22.0	3.00	.385	14.40	15.30
6	Phillies	14.40	10.0	4/17/1976	PHI	@	CHC	W 18-16	7	0	1	19	16	16	3	6	3	1	58	0	6.30	5.40	1.17	2.70	12.1	10.3	2.50	.410	14.40	17.10
7	Royals	13.50	10.0	8/23/2006	KCR	vs	CLE	L 13-15	11	0	0	16	15	15	3	6	2	1	53	0	9.90	5.40	1.83	2.70	20.8	11.3	2.20	.419	13.50	14.40
8	Rangers	13.50	10.0	5/8/2004	TEX	vs	DET	W 16-15	7	0	0	16	15	15	1	6	1	0	53	0	6.30	5.40	1.17	0.90	13.2	11.3	2.20	.395	13.50	14.40
9	Mariners	13.06	10.1	8/5/2001	SEA	@	CLE	L 14-15	7	0	0	23	15	15	4	5	1	0	57	1	6.10	4.35	1.40	3.48	12.3	8.8	2.71	.475	13.06	20.03
10	Twins	12.60	10.0	7/23/2019	MIN	vs	NYY	L 12-14	9	0	0	20	14	14	2	6	0	0	54	1	8.10	5.40	1.50	1.80	16.7	11.1	2.60	.486	12.60	18.00
11	Tigers	12.60	10.0	8/23/2003	DET	vs	ANA	L 8-14	5	0	0	17	14	14	0	7	2	0	53	0	4.50	6.30	0.71	0.00	9.4	13.2	2.40	.436	12.60	15.30
12	Phillies	12.60	10.0	5/15/2001	PHI	vs	MIL	L 10-14	10	0	0	22	14	14	3	2	2	1	56	1	9.00	1.80	5.00	2.70	17.9	3.6	2.40	.487	12.60	19.80
13	Dodgers	12.60	10.0	5/7/2000	LAD	vs	HOU	L 8-14	9	0	0	17	14	14	3	8	4	0	59	0	8.10	7.20	1.13	2.70	15.3	13.6	2.50	.400	12.60	15.30
14	Indians	12.60	10.0	8/28/1998	CLE	vs	OAK	L 6-14	6	0	0	24	14	14	1	6	0	0	58	0	5.40	5.40	1.00	0.90	10.3	10.3	3.00	.511	12.60	21.60
15	Rockies	12.60	10.0	7/14/1997	COL	vs	LAD	L 12-14	12	0	0	22	14	14	4	3	0	0	55	0	10.80	2.70	4.00	3.60	21.8	5.5	2.50	.500	12.60	19.80
16	Dodgers	12.60	10.0	9/23/1970	LAD	vs	SFG	L 10-14	3	0	0	15	14	14	3	7	1	1	51	1	2.70	6.30	0.43	2.70	5.9	13.7	2.20	.324	12.60	13.50
17	Reds	12.60	10.0	6/13/1969	CIN	vs	CHC	L 8-14	5	0	0	14	14	14	2	8	0	1	51	2	4.50	7.20	0.63	1.80	9.8	15.7	2.20	.333	12.60	12.60
18	Redlegs	12.60	10.0	7/1/1956	CIN	@	STL	W 19-15	3	0	1	23	14	15	3	7	1	0	60	0	2.70	6.30	0.43	2.70	5.0	11.7	3.00	.435	13.50	20.70
19	White Sox	12.60	10.0	5/3/1949	CWS	vs	WSH	L 12-14	6	0	0	16	14	14	7	3	0		48	0	5.40	2.70	2.00	6.30	12.5	6.3	1.90	.281	12.60	14.40
20	Pirates	12.27	11.0	8/7/2020	PIT	vs	DET	L 13-17	16	0	0	16	15	17	1	6	1	0	56	0	13.09	4.91	2.67	0.82	28.6	10.7	2.00	.469	13.91	13.09
21	Royals	12.27	11.0	9/8/2002	KCR	vs	SEA	L 9-16	6	0	0	15	15	16	4	7	2	2	57	2	4.91	5.73	0.86	3.27	10.5	12.3	2.00	.289	13.09	12.27
22	Rockies	12.00	12.0	6/14/2019	COL	vs	SDP	L 12-16	10	0	0	21	16	16	4	6	0	0	62	2	7.50	4.50	1.67	3.00	16.1	9.7	2.25	.405	12.00	15.75
23	Orioles	11.77	13.0	8/16/2009	BAL	vs	LAA	L 8-17	7	0	0	23	17	17	2	6	1	1	68	0	4.85	4.15	1.17	1.38	10.3	8.8	2.23	.404	11.77	15.92
24	Phillies	11.70	10.0	5/2/2012	PHI	@	ATL	L 13-15	9	0	0	19	13	15	2	3	0	0	51	0	8.10	2.70	3.00	1.80	17.6	5.9	2.20	.459	13.50	17.10
25	Expos	11.70	10.0	8/13/1999	MON	@	COL	W 14-13	8	0	1	15	13	13	3	9	0	1	53	2	7.20	8.10	0.89	2.70	15.1	17.0	2.40	.364	11.70	13.50