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Name Team Age
Derrick Heffernan Retired (2026, Age 36) Died (2049, Age 59)
Drafted Position Bats/Throws
Round 1, Pick 12
(2008)		 SP R/R
League Option Years   Majors Service Time
Kevin Brown League 0 12 years (121 games)
Total Rating   Arm Range
B  B- D-
Contact vs R Contact vs L Speed
D- D  D 
Power vs R Power vs L Bunting
D- D  A+
Endurance Velocity Control
B- B  B+
Leadership   Mentor Value  
B- A-
Health   Injured Days   Birthday
F  0 3/3/1990
WS Rings WS Appearances LCS Appearances
0 0 1
Alt Pos (---) Alt Pos (---) Alt Pos (---)
F  (0.0 %) F  (0.0 %) F  (0.0 %)

Stats  |   Splits  |   Playoffs  |   Energy  |   Improvements  |   Past Skills  |   Awards   |  Batting   |  Fielding   |  Game Log
 Skill grades calculated using approximate current ratings minus past improvements.
Year  Endurance   Velocity   Control 
2008B-C-C 
2009B-C-C+
2010B-C C+
2011B-C+B-
2012B-C+B-
2013B-B-B 
2014B-B-B 
2015B-B-B 
2016B-B-B 
2017B-B-B 
2018B-B-B+
2019B-B B+
2020B B B+
2021B B B+
2022B B+A-
2023B B+A-
2024B B+A-
2025B-B A-
2026B-B B+
Career Transactions
DateTransaction
2026-11-01Derrick Heffernan has retired from the Free Agency Pool
2025-03-29The New York Knights have promoted Vic Sharon to the major league team. The New York Knights have promoted Scott Foucault to the major league team. The New York Knights have promoted Tim Brown to the major league team. The New York Knights have promoted Derrick Heffernan to the major league team. The New York Knights have promoted Alfonso Sheets to the major league team.
2025-03-29Derrick Heffernan has signed with the New York Knights for $3.0M per year for 1 year.
2023-08-07Derrick Heffernan of the Texas Grackles is injured and is expected to be out 17 days.
2023-06-27Derrick Heffernan of the Texas Grackles is injured and is expected to be out 39 days.
2020-05-19The Texas Grackles have removed Derrick Heffernan from the trade block.
2020-05-17The Texas Grackles have placed Derrick Heffernan on the trade block.
2020-03-30The Texas Grackles have promoted Derrick Heffernan to the major league team.
2020-03-30Derrick Heffernan has signed with the Texas Grackles for $2.51M per year for 5 years.
2019-05-08Trade #1316774 has been completed between the Texas Grackles and the New York Pinstripers. The New York Pinstripers receive Edgar Morales, Derrick Heffernan, Cal Johnson (Optioned), Draft Pick 2020 Round 1 TEX (Mel Boehling) from the Texas Grackles in exchange for Bill Smith.
2019-03-30The Texas Grackles have promoted Pedro Mackenzie to the major league team. The Texas Grackles have promoted Derrick Heffernan to the major league team. The Texas Grackles have promoted Todd Schrom to the major league team. The Texas Grackles have promoted Jake Lane to the major league team.
2019-03-30Derrick Heffernan has signed with the Texas Grackles for $1.35M per year for 1 year.
2018-08-29Derrick Heffernan of the Washington Swamp Fox is injured and is expected to be out 8 days.
2017-09-27Derrick Heffernan of the Washington Swamp Fox is injured and is expected to be out 25 days.
2016-08-16Derrick Heffernan of the Washington Swamp Fox is injured and is expected to be out 29 days.
2016-04-08The Washington Swamp Fox have acquired Derrick Heffernan from the waiver wire.
2016-03-30The New York Knights have promoted John Hancock to the major league team. The New York Knights have waived Derrick Heffernan.
2013-09-26Derrick Heffernan of the New York Knights is injured and is expected to be out 22 days.
2013-04-01The New York Knights have promoted Derrick Heffernan to the major league team.
2013-04-01The New York Knights have promoted Matt McGraw to the major league team. The New York Knights have sent Derrick Heffernan to the minors.
2013-03-29The New York Knights have promoted Jose Coleman to the major league team. The New York Knights have promoted Derrick Heffernan to the major league team. The New York Knights have promoted Tom Clark to the major league team. The New York Knights have promoted Ricardo Montero to the major league team.
2012-10-22Trade #1285116 has been completed between the New York Pinstripers and the New York Knights. The New York Knights receive Bob Kusick, Herman Kilgus, Derrick Heffernan, Draft Pick 2013 Round 2 LAN (Red Soriano), Draft Pick 2013 Round 2 NYA (Tom Javier) from the New York Pinstripers in exchange for Mark Collins.