Erik Swanson had a record of 9-14 with an ERA of 3.86, 220 strikeouts and 7 saves in 180 appearances against the AL in his career.

Interpreted as:

Erik Swanson vs al in his career

	NAME	DATE	TM		OPP	DEC	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP
1	Erik Swanson E. Swanson	4/11/2019	SEA	@	KCR		0	9.00	4	0	0	0	2.0	3	2	2	0	2	0	0	0	11	0
2	Erik Swanson E. Swanson	4/17/2019	SEA	vs	CLE	L	1	1.50	5	0	0	0	6.0	2	1	1	1	0	0	0	0	20	0
3	Erik Swanson E. Swanson	4/28/2019	SEA	vs	TEX	L	1	13.50	2	0	0	0	4.0	11	6	9	2	0	0	0	0	24	0
4	Erik Swanson E. Swanson	5/5/2019	SEA	@	CLE	W	1	0.00	3	0	0	0	6.0	1	0	0	0	3	0	0	0	22	0
5	Erik Swanson E. Swanson	5/10/2019	SEA	@	BOS	L	1	13.50	4	0	0	0	4.2	7	7	7	2	0	0	0	0	22	0
6	Erik Swanson E. Swanson	5/16/2019	SEA	vs	MIN	L	1	24.00	3	0	0	0	3.0	9	8	8	4	0	0	0	0	18	0
7	Erik Swanson E. Swanson	7/17/2019	SEA	@	OAK		1	9.00	2	0	0	0	2.0	2	2	2	1	1	0	0	0	9	0
8	Erik Swanson E. Swanson	7/21/2019	SEA	vs	LAA		0	4.50	1	0	0	0	2.0	2	1	1	1	0	0	0	0	7	0
9	Erik Swanson E. Swanson	7/25/2019	SEA	vs	DET		1	0.00	3	0	0	0	2.0	0	0	0	0	1	0	0	0	7	0
10	Erik Swanson E. Swanson	7/31/2019	SEA	@	TEX		0	0.00	2	0	0	0	1.2	1	0	0	0	1	0	1	1	7	0
11	Erik Swanson E. Swanson	8/13/2019	SEA	@	DET		0	0.00	3	0	0	0	1.0	1	0	0	0	0	0	1	0	4	0
12	Erik Swanson E. Swanson	8/19/2019	SEA	@	TBR		0	0.00	1	0	0	0	2.0	0	0	0	0	1	0	0	0	7	1
13	Erik Swanson E. Swanson	8/24/2019	SEA	vs	TOR		0	0.00	0	0	0	0	1.0	0	0	0	0	1	0	1	0	3	0
14	Erik Swanson E. Swanson	8/26/2019	SEA	vs	NYY		0	0.00	1	0	0	0	1.0	1	0	0	0	0	0	0	0	4	0
15	Erik Swanson E. Swanson	8/27/2019	SEA	vs	NYY		0	0.00	1	0	0	0	1.0	0	0	0	0	0	0	0	0	3	0
16	Erik Swanson E. Swanson	8/30/2019	SEA	@	TEX		0	0.00	5	0	0	0	2.1	0	0	0	0	0	0	1	0	7	0
17	Erik Swanson E. Swanson	9/8/2019	SEA	@	HOU		0	18.00	1	0	0	0	1.0	3	2	2	1	1	0	0	0	7	0
18	Erik Swanson E. Swanson	9/13/2019	SEA	vs	CWS		0	0.00	0	0	0	0	1.0	0	0	0	0	0	0	0	0	4	0
19	Erik Swanson E. Swanson	9/21/2019	SEA	@	BAL		0	0.00	1	0	0	1	1.0	0	0	0	0	0	1	1	0	4	0
20	Erik Swanson E. Swanson	9/24/2019	SEA	vs	HOU		0	0.00	0	0	0	0	1.0	1	0	0	0	0	0	0	0	3	0
21	Erik Swanson E. Swanson	9/27/2019	SEA	vs	OAK		0	0.00	0	0	0	0	1.0	0	0	0	0	0	0	0	0	3	0
22	Erik Swanson E. Swanson	9/29/2019	SEA	vs	OAK		0	0.00	0	0	0	0	1.0	0	0	0	0	0	0	0	0	3	0
23	Erik Swanson E. Swanson	8/2/2020	SEA	vs	OAK		0	0.00	2	0	0	0	1.0	0	0	0	0	0	0	1	0	3	0
24	Erik Swanson E. Swanson	8/4/2020	SEA	vs	LAA		0	18.00	0	0	0	0	1.0	2	2	2	1	0	0	0	0	5	0
25	Erik Swanson E. Swanson	8/12/2020	SEA	@	TEX	L	0	67.50	1	0	0	0	0.2	3	5	5	0	0	2	0	0	7	0
	Total						9	3.86	220	0	0	7	200.1	167	86	95	34	49	6	41	3	811	3