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Name Team Age
Franz Koster Retired (2006, Age 36) Died (2027, Age 57)
Drafted Position Bats/Throws
Round 2, Pick 18
(1989)		 SP R/R
League Option Years   Majors Service Time
Aaron Fox League 0 14 years (2 games)
Total Rating   Arm Range
A- C- D 
Contact vs R Contact vs L Speed
F  D  C-
Power vs R Power vs L Bunting
D- D- F 
Endurance Velocity Control
B- A- B+
Leadership   Mentor Value  
A+ A+
Health   Injured Days   Birthday
F  0 9/3/1970
WS Rings WS Appearances LCS Appearances
4 5 8
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 
1989C+B-C 
1990C+B C+
1991B-B+B-
1992B-A-B 
1993B-A-B+
1994B-A-B+
1995B-A-A-
1996B-A A-
1997B-A A-
1998B-A A-
1999B-A A-
2000B-A A-
2001B-A A-
2002B-A A-
2003B A A-
2004B A A-
2005B-A A-
2006B-A-B+
Career Transactions
DateTransaction
2006-11-01Franz Koster has retired from the Washington Aces
2005-06-19Franz Koster of the Washington Aces is injured and is expected to be out 18 days.
2004-09-17Franz Koster of the Washington Aces is injured and is expected to be out 9 days.
2004-07-14Franz Koster of the Washington Aces is injured and is expected to be out 18 days.
2003-06-27Franz Koster of the Washington Aces is injured and is expected to be out 23 days.
2001-05-14Franz Koster of the Washington Aces is injured and is expected to be out 18 days.
1998-08-24Franz Koster of the Washington Aces is injured and is expected to be out 18 days.
1997-07-11Franz Koster of the Washington Aces is injured and is expected to be out 16 days.
1997-06-13Franz Koster of the Washington Aces is injured and is expected to be out 11 days.
1995-06-28Franz Koster of the Washington Aces is injured and is expected to be out 20 days.
1992-08-31The Washington Aces have promoted Franz Koster to the major league team. The Washington Aces have sent Leo Ahokas to the minors.
1989-04-01The Washington Aces have renamed Dan Krehmeyer to Franz Koster.