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| Name | Team | Age |
| JR Lieberkase | Retired (2172, Age 36) | Died (2213, Age 77) |
| Drafted | Position | Bats/Throws |
| Round 1, Pick 4 (2157) |
SP | R/R |
| League | Option Years
|
Majors Service Time |
| Ivan Rodriguez League | 0 | 10 years (151 games) |
| Total Rating
|
Arm | Range |
| Contact vs R | Contact vs L | Speed |
| Power vs R | Power vs L | Bunting |
| Endurance | Velocity | Control |
| Leadership
|
Mentor Value
|
|
| Health
|
Injured Days
|
Birthday |
| 0 | 8/6/2136 | |
| WS Rings | WS Appearances | LCS Appearances |
| 0 | 0 | 2 |
| Alt Pos (---) | Alt Pos (---) | Alt Pos (---) |
| (0.0 %) | (0.0 %) | (0.0 %) |
Stats | Splits | Playoffs | Energy | Improvements | Past Skills | Awards | Batting | Fielding | Game Log
| Date | Batters Faced |
| 2245-03-31 | 0 |
| 2245-03-30 | 0 |
| 2245-03-29 | 0 |
| 2245-03-28 | 0 |
| 2245-03-27 | 0 |
| Date | Transaction |
| 2172-11-01 | JR Lieberkase has retired from the San Diego Sinners |
| 2172-04-18 | The San Diego Sinners have acquired JR Lieberkase from the waiver wire. |
| 2172-04-01 | The Toronto Cossacks have promoted Norm Johnson to the major league team. The Toronto Cossacks have waived JR Lieberkase. |
| 2171-07-29 | The Toronto Cossacks have placed JR Lieberkase on the trade block. |
| 2171-07-24 | JR Lieberkase of the Toronto Cossacks is injured and is expected to be out 24 days. |
| 2165-08-16 | JR Lieberkase of the Toronto Cossacks is injured and is expected to be out 17 days. |
| 2162-03-25 | The Toronto Cossacks have promoted JR Lieberkase to the major league team. The Toronto Cossacks have designated Vadim Prokhorov for assignment. |
| 2161-04-01 | The Toronto Cossacks have promoted Dale Perez to the major league team. The Toronto Cossacks have sent JR Lieberkase to the minors. |
| 2161-04-01 | Trade #1299781 has been completed between the Philadelphia Quakers and the Toronto Cossacks. The Toronto Cossacks receive JR Lieberkase, Lenny Kyle, Morimichi Higuchi, Dave Bucks, Draft Pick 2164 Round 3 PHI (Trader Steinbrenner) from the Philadelphia Quakers in exchange for Richard Thon, Enmanuel Perez, Draft Pick 2164 Round 2 TOR (Jerry Morris), Draft Pick 2163 Round 2 TOR (Monk Staley). |
| 2157-04-01 | The Philadelphia Quakers have renamed Pascual Reinbach to JR Lieberkase. |
| 2154-04-01 | Trade #1272998 has been completed between the Philadelphia Quakers and the Boston Revolution. The Boston Revolution receive Tracy Schiappacasse, Draft Pick 2155 Round 2 PHI (Kevin Walberg) from the Philadelphia Quakers in exchange for Draft Pick 2157 Round 1 BOS (JR Lieberkase). |