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Jesse Orosco League
7-15-2215
Mark Kerr Relief Pitcher
Retired (2026, Age 35)
CAREER BIOGRAPHICAL DATA
ERA 4.29 Total Rating   Bats/Throws R/R
W-L 26-20 Status Deceased (2064) Option Years 0  
SV 8 Age at Death 73 Date of Birth 07-03-1991
K 426 Drafted Round 1, Pick 7
(2013)
Majors Svc Time 8 years
(7 games)
IP 591.0
WHIP 1.41
OFFENSE PITCHING MENTORING
Contact vs. R D- Contact vs. L D- Endurance C-   Ldrship
Power vs. R D- Power vs. L D- Velocity C+   Mentor Val A-
Speed B- Bunt C- Control A-
POSITIONS DEFENSE/HEALTH POSTSEASON
 C * --- SS --- Range C- WS Rings 0
1B --- LF --- Arm WS Appearances 0
2B --- CF ---   Health C+ LCS Appearances 0
3B --- RF ---   Injured Days 0 All Star Teams 0
* League requires 75% rating to start at catcher.

Date Opponent W L GS SV BS IP H R ER BB SO WHIP ERA
10/01/2026 SEA 0 0 0 0 1 0.0 2 2 2 0 0 99.99 99.99
09/29/2026 SEA 0 0 0 0 0 1.0 2 1 1 0 0 2.00 9.00
09/27/2026 KC 0 0 0 0 0 2.0 2 0 0 0 1 1.00 0.00
09/26/2026 KC 0 1 0 0 1 0.2 3 3 3 0 0 4.50 40.50
09/22/2026 TEX 0 1 0 0 0 1.0 1 1 1 2 1 3.00 9.00
09/21/2026 DET 0 0 0 0 0 1.0 1 0 0 0 1 1.00 0.00
09/20/2026 DET 0 0 0 0 0 0.1 3 3 3 0 0 9.00 81.00
09/17/2026 WAS 0 0 0 0 0 2.0 5 4 3 2 1 3.50 13.50
09/16/2026 WAS 0 0 0 0 0 0.2 3 3 3 0 0 4.50 40.50
09/14/2026 BAL 0 0 0 0 0 1.0 2 2 2 2 1 4.00 18.00
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Career Transactions
DateTransaction
2026-11-01Mark Kerr has retired from the Boston Commons
2025-09-04Mark Kerr of the Boston Commons is injured and is expected to be out 40 days.
2019-04-11The Boston Commons have promoted Mark Kerr to the major league team. The Boston Commons have designated J.R. Atz for assignment.
2018-06-28The Boston Commons have sent Mark Kerr to the minors.
2018-05-21The Boston Commons have promoted Mark Kerr to the major league team. The Boston Commons have sent Carlos Moreno to the minors.
2012-10-23Trade #1126650 has been completed between the Texas Rangers and the Boston Commons. The Boston Commons receive Bob Boehler, Draft Pick 2015 Round 2 TEX (Ed Lanier), Draft Pick 2013 Round 1 TEX (Mark Kerr) from the Texas Rangers in exchange for Draft Pick 2015 Round 1 BOS (Hal Birmingham). Protest This Trade.