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Team bullpen data and usage tracking

Kenley Jansen
Kenley Jansen
Throws: R
Primary Role(s): Closer
Age: 37

Boston
Team Record: 0 - 0
Head Coach: Alex Cora
Pitching Coach: Andrew Bailey
Pitcher Snapshot
Pitcher Impact Rating:
81
IP (last 7 gm):
1.0
ERA (last 7 gm):
0.00
Team BP Power Rank:
#15

Pitcher Season Stats

Cumulative Stats
Season G ERA IP PA P/pa SO/pa BB/pa HR/pa SB/pa G/AO AVG OBP xWOBA OPS
2025 Pitch Arsenal
Game Logs
Game Date Opponent IP PA R H 2B 3B HR BB SO SB CS NP-S AVG
2024-09-22 vs Twins 1.00
9
 3 0 0 0 0 0 0 1 0 0 9-8 0.20
2024-09-18 @ Rays 1.00
9
 5 0 0 0 0 0 2 2 3 0 25-11 0.20
2024-09-12 @ Yankees 1.00
9
 3 0 0 0 0 0 0 1 0 0 9-7 0.21
2024-09-04 @ Mets 0.10
8
 5 4 1 0 0 0 3 1 0 0 28-13 0.21
2024-08-30 @ Tigers 1.00
9
 5 1 2 1 0 0 0 2 1 0 18-10 0.21
2024-08-20 @ Astros 1.00
9
 3 0 0 0 0 0 0 0 0 0 12-8 0.20
2024-08-19 @ Astros 0.10
9
 2 1 1 0 0 1 0 1 0 0 4-4 0.21
Advanced Stats
Advanced Stats will be released after the All-Star break

Bullpen Usage & Stats

Last 7 Days
Player IP NP-S ERA Jan-20 Jan-19 Jan-18 Jan-17 Jan-16 Jan-15 Jan-14
Kenley Jansen 0 0-0 0.00
Justin Wilson 0 0-0 9.00
Luis García 0 0-0 2.25
Liam Hendriks 0 0-0 0.00
Aroldis Chapman 0 0-0 0.00
Nick Pivetta 0 0-0 0.00
Lucas Sims 0 0-0 3.00
Brad Keller 0 0-0 6.75
Tanner Houck 0 0-0 0.00
Brennan Bernardino 0 0-0 54.55
Chris Murphy 0 0-0 13.53
Greg Weissert 0 0-0 0.00
Josh Winckowski 0 0-0 6.77
Garrett Whitlock 0 0-0 0.00
Kutter Crawford 0 0-0 9.00
Garrett Crochet 0 0-0 0.00
Zack Kelly 0 0-0 20.30
Frank German 0 0-0 4.50
Cooper Criswell 0 0-0 27.27
Quinn Priester 0 0-0 7.73
Zach Penrod 0 0-0 9.00
Justin Slaten 0 0-0 0.00
Richard Fitts 0 0-0 7.20
Luis Guerrero 0 0-0 0.00
IP
In
NP-S
IP
In
NP-S
IP
In
NP-S
IP
In
NP-S
IP
In
NP-S
IP
In
NP-S
IP
In
NP-S
Advanced Pitcher Traits
Games Pitched this Season:
54
Games Started this Season:
0
Pitchers versus LH batters:
Yes
Pitchers versus RH batters:
Yes
Avg Inning when called:
8
Avg Run Diff when called:
1.65
Pitches over 30 pitches:
Yes
Pitches before the 8th:
No
Pitches back to back days:
Rarely
Other Boston Pitchers

Kenley Jansen (R)
Justin Wilson (L)
Luis García (R)
Liam Hendriks (R)
Aroldis Chapman (L)
Lucas Sims (R)
Brad Keller (R)
Brennan Bernardino (L)
Chris Murphy (L)
Greg Weissert (R)
Josh Winckowski (R)
Garrett Whitlock (R)
Zack Kelly (R)
Frank German (R)
Zach Penrod (L)
Justin Slaten (R)
Richard Fitts (R)
Hunter Dobbins (R)
Luis Perales (R)
Luis Guerrero (R)

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