Jake Arrieta was 17-18 against the NL West in his career.

	NAME	DATE	REC	TM		OPP	DEC	W%	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP
1	Jake Arrieta J. Arrieta	6/15/2010	1-0	BAL	@	SFG	W	1.000	1	1.29	3	0	0	0	7.0	3	1	1	1	2	0	0	0	26	0
2	Jake Arrieta J. Arrieta	6/20/2010	0-1	BAL	@	SDP	L	.000	1	15.00	0	0	0	0	3.0	5	5	6	1	3	0	0	0	17	0
3	Jake Arrieta J. Arrieta	4/21/2013	0-1	BAL	vs	LAD	L	.000	1	11.25	6	0	0	0	4.0	2	5	5	0	5	1	0	0	20	0
4	Jake Arrieta J. Arrieta	8/26/2013	0-1	CHC	@	LAD	L	.000	1	7.20	3	0	0	0	5.0	6	4	4	0	5	0	0	0	26	0
5	Jake Arrieta J. Arrieta	5/22/2014	1-0	CHC	@	SDP	W	1.000	1	1.50	7	0	0	0	6.0	4	1	1	1	1	0	0	0	22	0
6	Jake Arrieta J. Arrieta	5/27/2014	0-1	CHC	@	SFG	L	.000	1	6.00	6	0	0	0	6.0	7	4	4	0	1	0	0	0	26	1
7	Jake Arrieta J. Arrieta	7/20/2014	0-1	CHC	@	ARI	L	.000	1	4.05	8	0	0	0	6.2	4	3	3	0	3	0	0	0	27	1
8	Jake Arrieta J. Arrieta	7/29/2014		CHC	vs	COL
9	Jake Arrieta J. Arrieta	7/31/2014	1-0	CHC	vs	COL	W	1.000	1	1.29	7	0	0	0	7.0	3	1	1	0	2	0	0	0	26	0
10	Jake Arrieta J. Arrieta	8/6/2014	0-1	CHC	@	COL	L	.000	1	16.20	3	0	0	0	5.0	13	9	9	1	0	1	0	0	27	0
11	Jake Arrieta J. Arrieta	5/23/2015		CHC	@	ARI			1	4.50	7	0	0	0	6.0	7	3	6	1	2	0	0	0	27	0
12	Jake Arrieta J. Arrieta	8/9/2015	1-0	CHC	vs	SFG	W	1.000	1	0.00	6	0	0	0	7.2	4	0	0	0	2	1	0	0	30	0
13	Jake Arrieta J. Arrieta	8/25/2015	1-0	CHC	@	SFG	W	1.000	1	0.00	8	0	0	0	6.0	4	0	1	0	1	0	0	0	24	0
14	Jake Arrieta J. Arrieta	8/30/2015	1-0	CHC	@	LAD	W	1.000	1	0.00	12	1	1	0	9.0	0	0	0	0	1	0	0	0	29	0
15	Jake Arrieta J. Arrieta	9/5/2015	1-0	CHC	vs	ARI	W	1.000	1	0.00	7	0	0	0	8.0	4	0	0	0	0	0	0	0	27	0
16	Jake Arrieta J. Arrieta	4/10/2016	1-0	CHC	@	ARI	W	1.000	1	3.86	6	0	0	0	7.0	8	3	3	2	0	0	0	0	29	0
17	Jake Arrieta J. Arrieta	4/16/2016	1-0	CHC	vs	COL	W	1.000	1	0.00	8	0	0	0	8.0	5	0	0	0	1	0	0	0	27	0
18	Jake Arrieta J. Arrieta	5/20/2016	1-0	CHC	@	SFG	W	1.000	1	1.29	8	0	0	0	7.0	4	1	1	0	2	0	0	0	27	0
19	Jake Arrieta J. Arrieta	5/31/2016		CHC	vs	LAD			1	0.00	8	0	0	0	7.0	2	0	0	0	4	0	0	0	27	1
20	Jake Arrieta J. Arrieta	6/5/2016	0-1	CHC	vs	ARI	L	.000	1	5.40	12	0	0	0	5.0	9	3	3	0	1	0	0	0	23	0
21	Jake Arrieta J. Arrieta	8/23/2016	1-0	CHC	@	SDP	W	1.000	1	0.00	6	0	0	0	8.0	2	0	0	0	3	0	0	0	25	0
22	Jake Arrieta J. Arrieta	9/3/2016	0-1	CHC	vs	SFG	L	.000	1	3.00	7	0	0	0	6.0	4	2	3	0	2	0	0	0	25	2
23	Jake Arrieta J. Arrieta	5/9/2017	0-1	CHC	@	COL	L	.000	1	12.27	3	0	0	0	3.2	9	5	9	0	3	0	0	0	23	1
24	Jake Arrieta J. Arrieta	5/26/2017	0-1	CHC	@	LAD	L	.000	1	6.00	9	0	0	0	6.0	5	4	4	2	1	0	0	0	23	0
25	Jake Arrieta J. Arrieta	5/31/2017		CHC	@	SDP			1	1.50	7	0	0	0	6.0	5	1	1	1	2	0	0	0	23	1
	Total		17-18					.486	48	4.13	254	1	1	0	272.2	260	125	142	31	92	8	0	2	1,149	14