Kenley Jansen was 3-6 with an ERA of 3.63, 52 strikeouts and 28 saves in 51 appearances in 2023.

		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		Kenley Jansen K. Jansen	2023	BOS	51	3	6	.333	0	3.63	52	0	0	28	44.2	40	18	21	5	17	2	42	1	188	1	10.48	3.43	3.06	1.01	27.7	9.0	1.28	.313	4.23	80	3.65	85	8.06	3.3

Games

	NAME	DATE	SEASON	TM		OPP	DEC	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP
1	Kenley Jansen K. Jansen	9/12/2023	2023	BOS	vs	NYY		0		0	0	0	0	0.0	1	1	2	0	1	0	0	0	2	0
2	Kenley Jansen K. Jansen	9/5/2023	2023	BOS	@	TBR	L	0		0	0	0	0	0.0	1	2	3	1	1	0	1	0	2	0
3	Kenley Jansen K. Jansen	9/4/2023	2023	BOS	@	TBR		0	0.00	0	0	0	0	1.0	0	0	0	0	0	0	1	0	3	0
4	Kenley Jansen K. Jansen	9/3/2023	2023	BOS	@	KCR		0	18.00	1	0	0	0	1.0	3	2	2	0	0	0	1	0	6	0
5	Kenley Jansen K. Jansen	8/30/2023	2023	BOS	vs	HOU		0	0.00	1	0	0	0	1.0	0	0	0	0	0	0	0	0	3	0
6	Kenley Jansen K. Jansen	8/23/2023	2023	BOS	@	HOU		0	0.00	0	0	0	0	0.1	0	0	0	0	0	0	0	0	1	0
7	Kenley Jansen K. Jansen	8/20/2023	2023	BOS	@	NYY		0	0.00	2	0	0	1	1.0	1	0	0	0	0	1	1	0	5	0
8	Kenley Jansen K. Jansen	8/15/2023	2023	BOS	@	WSH		0	0.00	1	0	0	1	1.0	0	0	0	0	0	0	1	0	3	0
9	Kenley Jansen K. Jansen	8/13/2023	2023	BOS	vs	DET		0	0.00	0	0	0	1	1.0	1	0	0	0	0	0	1	0	4	0
10	Kenley Jansen K. Jansen	8/10/2023	2023	BOS	vs	KCR		0	0.00	2	0	0	1	1.0	0	0	0	0	0	0	1	0	3	0
11	Kenley Jansen K. Jansen	8/9/2023	2023	BOS	vs	KCR		0	9.00	1	0	0	1	1.0	1	1	1	1	1	0	1	0	4	0
12	Kenley Jansen K. Jansen	8/7/2023	2023	BOS	vs	KCR	W	0	0.00	2	0	0	0	1.0	0	0	0	0	0	0	1	0	3	0
13	Kenley Jansen K. Jansen	8/1/2023	2023	BOS	@	SEA		0	0.00	1	0	0	1	1.0	0	0	0	0	0	0	1	0	3	0
14	Kenley Jansen K. Jansen	7/29/2023	2023	BOS	@	SFG	L	0		0	0	0	0	0.0	1	1	1	1	0	0	1	0	1	0
15	Kenley Jansen K. Jansen	7/28/2023	2023	BOS	@	SFG		0	0.00	2	0	0	0	1.0	0	0	0	0	0	0	1	0	3	0
16	Kenley Jansen K. Jansen	7/26/2023	2023	BOS	vs	ATL		0	0.00	1	0	0	1	1.0	1	0	0	0	0	1	1	0	4	0
17	Kenley Jansen K. Jansen	7/22/2023	2023	BOS	vs	NYM		0	0.00	0	0	0	1	0.1	1	0	0	0	0	0	1	0	2	0
18	Kenley Jansen K. Jansen	7/19/2023	2023	BOS	@	OAK		0	0.00	1	0	0	0	1.0	0	0	0	0	1	0	1	0	4	0
19	Kenley Jansen K. Jansen	7/14/2023	2023	BOS	@	CHC		0	0.00	1	0	0	1	0.1	0	0	0	0	0	0	1	0	1	0
20	Kenley Jansen K. Jansen	7/9/2023	2023	BOS	vs	OAK		0	0.00	1	0	0	1	1.0	0	0	0	0	1	0	1	0	3	0
21	Kenley Jansen K. Jansen	7/5/2023	2023	BOS	vs	TEX		0	0.00	0	0	0	1	1.0	0	0	0	0	0	0	1	0	3	0
22	Kenley Jansen K. Jansen	7/1/2023	2023	BOS	@	TOR		0	6.75	3	0	0	1	1.1	3	1	1	0	0	0	1	0	6	0
23	Kenley Jansen K. Jansen	6/29/2023	2023	BOS	vs	MIA		0	9.00	1	0	0	0	1.0	3	1	1	1	0	0	1	0	5	0
24	Kenley Jansen K. Jansen	6/24/2023	2023	BOS	@	CWS	L	0	13.50	1	0	0	0	0.2	2	1	1	0	0	0	1	0	4	0
25	Kenley Jansen K. Jansen	6/23/2023	2023	BOS	@	CWS		0	0.00	1	0	0	1	1.0	0	0	0	0	0	0	1	0	3	0
	Total							0	3.63	52	0	0	28	44.2	40	18	21	5	17	2	42	1	188	1