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Kenley Jansen

Boston Red Sox · RP Throws: R Bats: S Height: 6'5 Weight: 265 Born: Sep 30, 1987 (37)

Percentile Ranks
vs LHH
vs RHH K%
92.8
85.9 xWOBA
0.295 · 81%
0.279 · 85%
xSLG
79.4
84.0

Year	Team	G	GS	W-L	IP	ERA	WHIP	K%	CSW%	BB%	xAVG	xSLG	xwOBA	xISO	BAR%	SS%	HH%	GB%	LD%	FB%	Z%	Z Sw%	OZ%	OZ Sw%	Apr	May	Jun	Jul	Aug	Sep
2024	Red Sox	54	0	4-2	54.2	3.29	1.07	28.4%	0.0%	9.2%	.213	.362	.285	.149	11.1%	36.3%	37%	31%	22%	36%	58%	20%	42%	52%	4.1	2.8	4.6	2.4	3.8	2.4
2023	Red Sox	51	0	3-6	44.2	3.63	1.29	27.7%	0.0%	9.0%	.203	.342	.276	.138	6.8%	29.9%	36%	21%	23%	38%	54%	24%	47%	43%	4.5	1.1	3.5	2.8	4.3	-1.9
2022	Braves	65	0	5-2	64.0	3.38	1.05	32.7%	0.0%	8.5%	.169	.292	.239	.124	7.3%	29.8%	33%	31%	19%	39%	56%	23%	44%	41%	4.1	4.2	4.4	3.5	2.4	3.2
2021	Dodgers	69	0	4-4	69.0	2.22	0.99	31.4%	0.0%	11.7%	.179	.270	.260	.091	4.6%	30.1%	26%	38%	19%	30%	52%	28%	48%	45%	4.6	3.7	3.9	0.0	0.0	6.7
2020	Dodgers	27	0	3-1	24.1	3.33	1.16	32.4%	0.0%	8.8%	.192	.290	.267	.098	3.5%	33.3%	14%	26%	32%	28%	50%	28%	50%	37%	0.0	0.0	0.0	0.0	0.0	0.0
2019	Dodgers	62	0	5-3	63.0	3.71	1.06	30.4%	0.0%	6.1%	.205	.341	.262	.136	6.1%	33.1%	26%	36%	27%	26%	51%	25%	50%	45%	0.0	0.0	0.0	0.0	0.0	0.0
2018	Dodgers	69	0	1-5	71.2	3.01	1.00	28.4%	0.0%	5.9%	.202	.348	.264	.146	7.4%	33.5%	25%	36%	23%	27%	52%	25%	48%	35%	0.0	0.0	0.0	0.0	0.0	0.0

Box Score													DFS					Arsenal
#	Date		Opp	IP	BF	PC	H	HR	ER	BB	SO	SwStr	CSW%	Rating	DK $	DK	FD $	FD	FC		SL		SI
1	2024	Sep, 23	MIN	1.0	3	9	0	0	0	0	1	3	55.6		n/a	4.25	n/a	6
2	2024	Sep, 22	MIN	1.0	3	9	0	0	0	0	1	3	55.6		n/a	4.25	n/a	6	88.9%	93.5	11.1%	82.4
3	2024	Sep, 18	@TB	1.0	5	25	0	0	0	2	2	1	24.0		n/a	5.05	n/a	9	84.0%	92.2	8.0%	80.6	8.0%	91.4
4	2024	Sep, 12	@NYY	1.0	3	9	0	0	0	0	1	1	33.3		n/a	4.25	n/a	6	66.7%	93.0	22.2%	81.3	11.1%	90.3
5	2024	Sep, 07	CWS	1.0	3	7	0	0	0	0	1	3	57.1		n/a	4.25	n/a	6	100.0%	91.8
6	2024	Sep, 04	@NYM	0.1	5	28	1	0	4	3	1	2	21.4		n/a	-7.65	n/a	-8	82.1%	92.8	10.7%	80.4	7.1%	91.5
7	2024	Aug, 30	@DET	1.0	5	18	2	0	1	0	2	2	16.7		n/a	3.05	n/a	6	55.6%	92.6	16.7%	83.0	27.8%	92.9
8	2024	Aug, 28	TOR	1.0	3	6	0	0	0	0	1	0	33.3		n/a	4.25	n/a	6	83.3%	93.5	16.7%	82.1
9	2024	Aug, 27	TOR	1.0	4	14	1	1	1	0	0	1	21.4		n/a	-0.35	n/a	0	64.3%	91.5	14.3%	80.5	21.4%	91.7
10	2024	Aug, 20	@HOU	1.0	3	12	0	0	0	0	0	0	8.3		n/a	2.25	n/a	3	91.7%	91.5	8.3%	80.9
11	2024	Aug, 19	@HOU	0.1	2	4	1	1	1	0	1	2	75.0		n/a	0.15	n/a	1	100.0%	91.8
12	2024	Aug, 17	@BAL	1.0	3	7	0	0	0	0	1	1	42.9		n/a	4.25	n/a	6	85.7%	91.6	14.3%	90.8
13	2024	Aug, 16	@BAL	1.0	3	12	0	0	0	0	2	3	33.3		n/a	6.25	n/a	9	66.7%	92.3	8.3%	84.3	25.0%	93.5
14	2024	Aug, 13	TEX	1.1	4	13	0	0	0	0	1	2	46.2		n/a	5.00	n/a	7	84.6%	90.8	7.7%	79.3	7.7%	92.1
15	2024	Aug, 12	TEX	1.0	3	14	0	0	0	0	1	2	21.4		n/a	4.25	n/a	6	92.9%	91.6	7.1%	82.8
16	2024	Aug, 06	@KC	1.1	4	13	0	0	0	0	3	2	30.8		n/a	9.00	n/a	13	61.5%	92.0	30.8%	81.3	7.7%	93.9
17	2024	Jul, 31	SEA	1.0	4	18	0	0	0	1	1	1	27.8		n/a	3.65	n/a	6
18	2024	Jul, 27	NYY	1.0	5	19	2	0	1	0	1	2	31.6		n/a	1.05	n/a	3
19	2024	Jul, 26	NYY	1.0	5	18	2	0	0	0	2	2	33.3		n/a	5.05	n/a	9
20	2024	Jul, 21	@LAD	1.0	6	20	3	1	3	0	1	1	15.0	21.80	n/a	-3.55	n/a	-3	90.0%	92.7	10.0%	92.4

Splits				vs LHB									vs RHB
Pitch	MPH	SPIN	Whiff%	Usage	xBAVG	xWOBA	K%	BB%	xSLG	ISO	HR	Usage	xBAVG	xWOBA	K%	BB%	xSLG	ISO	HR
Cutter	92.2 MPH	2626	28%	82%	.260	.341	25.3	8.9	.446	.141	2	88%	.189	.274	30.3	9.1	.352	.126	2
Slider	82.2 MPH	2466	8%	6%	.000	.086	0.0	1.0	.000	.000	0	9%	.000	.000	25.0	0.0	.000	.000	0
Sinker	93.2 MPH	2276	30%	12%	.071	.063	64.3	0.0	.071	.200	0	3%	.500	.476	0.0	1.0	.500	.500	0

Splits				vs LHB									vs RHB
Pitch	MPH	SPIN	Whiff%	Usage	xBAVG	xWOBA	K%	BB%	xSLG	ISO	HR	Usage	xBAVG	xWOBA	K%	BB%	xSLG	ISO	HR
Cutter	94.3 MPH	2628	28%	73%	.199	.260	30.8	7.7	.331	.083	1	84%	.213	.280	26.8	8.5	.340	.149	2
Slider	84.1 MPH	2423	38%	13%	.250	.314	8.3	0.0	.500	.200	1	11%	.247	.281	33.3	11.1	.272	.125	0
Sinker	95.3 MPH	2256	30%	14%	.176	.366	36.4	18.2	.543	.444	1	5%	.167	.230	28.6	0.0	.167	.250	0

Splits	vs LHB							vs RHB
Year	xBAVG	xWOBA	xSLG	ISO	K%	BB%	HR	xBAVG	xWOBA	xSLG	ISO	K%	BB%	HR
2024	.224	.295	.377	.109	28.7%	7.9%	2	.205	.279	.352	.109	28.1%	8.8%	2
2023	.191	.268	.359	.148	28.4%	8.0%	3	.214	.278	.325	.136	27.6%	8.2%	2
2022	.174	.251	.327	.194	32.8%	8.4%	5	.164	.228	.262	.119	33.3%	6.5%	3
2021	.191	.267	.290	.110	28.1%	10.4%	3	.168	.253	.250	.051	34.5%	12.9%	1

	Home								Road
Season	PA	xAVG	xWOBA	K%	BB%	xSLG	ISO	HR	PA	xAVG	xWOBA	K%	BB%	xSLG	ISO	HR
2024	110	.232	.302	26.4%	7.3%	.389	.071	1	105	.196	.270	30.5%	9.5%	.338	.147	3
2023	88	.239	.301	27.3%	9.1%	.361	.165	3	98	.172	.248	28.6%	7.1%	.324	.122	2
2022	143	.159	.231	35.0%	7.7%	.273	.115	3	114	.181	.249	30.7%	7.0%	.317	.202	5
2021	144	.186	.249	36.1%	8.3%	.283	.108	3	130	.171	.272	26.2%	15.4%	.255	.047	1

Split	Games	Wind 0-9 mph+	Wind 10+ mph	Humid 0-25	Humid 25-50	Humid 50-75	Humid 75-100	Temp 0-40	Temp 40-60	Temp 61-79	Temp 80+
Road	3.46	3.33	2.51	0.00	4.67	0.83	4.35	0.00	5.60	1.27	2.67
Home	3.54	4.22	2.68	0.00	4.05	3.45	2.13	0.00	2.74	3.75	4.02