Jeff Karstens had a 5-4 record with an ERA of 3.97 and 66 strikeouts in 19 appearances in his last season.

		NAME	SEASON	TM	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	ERA-	FIP	FIP-	H/9	PRAA
1		Jeff Karstens J. Karstens	2012	PIT	19	5	4	.556	15	3.97	66	0	0	0	90.2	89	40	41	8	15	1	0	0	372	3	6.55	1.49	4.40	0.79	17.7	4.0	1.15	.287	4.07	104	3.31	87	8.83	4.8

	NAME	DATE	SEASON	TM		OPP	DEC	GS	ERA	SO	IP	H	ER	R	HR	BB	HBP	TBF	WP
1	Jeff Karstens J. Karstens	10/1/2012	2012	PIT	vs	ATL		0	0.00	1	1.0	0	0	0	0	0	0	3	0
2	Jeff Karstens J. Karstens	9/26/2012	2012	PIT	@	NYM		0	4.50	2	2.0	2	1	1	0	0	0	8	0
3	Jeff Karstens J. Karstens	9/24/2012	2012	PIT	@	NYM		0	13.50	2	1.1	2	2	2	1	0	0	6	0
4	Jeff Karstens J. Karstens	9/19/2012	2012	PIT	vs	MIL		0	3.00	2	3.0	2	1	1	0	0	0	11	0
5	Jeff Karstens J. Karstens	8/31/2012	2012	PIT	@	MIL	L	1	108.00	1	0.1	5	4	4	1	0	0	6	0
6	Jeff Karstens J. Karstens	8/25/2012	2012	PIT	vs	MIL	W	1	0.00	4	7.0	7	0	0	0	0	0	27	0
7	Jeff Karstens J. Karstens	8/19/2012	2012	PIT	@	STL		1	2.57	4	7.0	2	2	2	0	1	0	25	0
8	Jeff Karstens J. Karstens	8/13/2012	2012	PIT	vs	LAD	L	1	5.14	4	7.0	7	4	4	1	1	0	28	0
9	Jeff Karstens J. Karstens	8/7/2012	2012	PIT	vs	ARI		1	4.50	4	6.0	8	3	3	1	0	0	26	0
10	Jeff Karstens J. Karstens	8/1/2012	2012	PIT	@	CHC	W	1	1.80	4	5.0	3	1	1	1	1	0	19	0
11	Jeff Karstens J. Karstens	7/27/2012	2012	PIT	@	HOU		1	7.20	7	5.0	6	4	4	2	3	0	25	1
12	Jeff Karstens J. Karstens	7/22/2012	2012	PIT	vs	MIA	W	1	0.00	3	7.0	5	0	0	0	2	0	25	0
13	Jeff Karstens J. Karstens	7/16/2012	2012	PIT	@	COL		1	5.14	4	7.0	6	4	4	0	2	0	28	1
14	Jeff Karstens J. Karstens	7/5/2012	2012	PIT	vs	HOU	W	1	0.00	8	8.0	4	0	0	0	1	0	28	0
15	Jeff Karstens J. Karstens	6/30/2012	2012	PIT	@	STL	W	1	2.57	7	7.0	4	2	2	0	2	0	27	0
16	Jeff Karstens J. Karstens	6/25/2012	2012	PIT	@	PHI	L	1	10.80	4	5.0	11	6	7	1	0	0	27	1
17	Jeff Karstens J. Karstens	4/17/2012	2012	PIT	@	ARI		1	18.00	0	1.0	3	2	2	0	0	0	6	0
18	Jeff Karstens J. Karstens	4/12/2012	2012	PIT	@	LAD	L	1	5.40	3	5.0	7	3	3	0	1	1	24	0
19	Jeff Karstens J. Karstens	4/7/2012	2012	PIT	vs	PHI		1	1.50	2	6.0	5	1	1	0	1	0	23	0
	Total							15	3.97	66	90.2	89	40	41	8	15	1	372	3