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| Name | Team | Age |
| Mike Heffner | Retired (2109, Age 34) | Died (2144, Age 69) |
| Drafted | Position | Bats/Throws |
| Round 3, Pick 36 (2096) |
SP | L/R |
| League | Option Years
|
Majors Service Time |
| Thurman Munson League | 0 | 1 years (34 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 | 9/19/2075 | |
| WS Rings | WS Appearances | LCS Appearances |
| 0 | 0 | 0 |
| Alt Pos (---) | Alt Pos (---) | Alt Pos (---) |
| (0.0 %) | (0.0 %) | (0.0 %) |
Stats | Splits | Playoffs | Energy | Improvements | Past Skills | Awards | Batting | Fielding | Game Log
| Year | Type
|
Chances
|
Endurance | Velocity | Control | Total |
| 2096 | Minors | 5.00 | 0 / 1 | 0 / 0 | 2 / 4 | 2 / 5 |
| 2096 | Majors | 26.00 | 0 / 0 | 2 / 11 | 4 / 15 | 6 / 26 |
| 2097 | Majors | 26.00 | 0 / 0 | 3 / 15 | 7 / 11 | 10 / 26 |
| 2098 | Majors | 19.00 | 0 / 0 | 3 / 12 | 2 / 7 | 5 / 19 |
| 2099 | Majors | 7.74 | 0 / 0 | 3 / 4 | 2 / 3 | 5 / 7 |
| 2100 | Minors | 3.00 | 0 / 0 | 1 / 2 | 0 / 1 | 1 / 3 |
| 2100 | Majors | 20.00 | 0 / 0 | 4 / 12 | 2 / 8 | 6 / 20 |
| 2101 | Majors | 24.00 | 0 / 0 | 1 / 7 | 6 / 17 | 7 / 24 |
| 2102 | Majors | 46.10 | 0 / 10 | 1 / 15 | 6 / 21 | 7 / 46 |
| 2103 | Minors | 17.00 | 0 / 0 | 2 / 9 | 1 / 8 | 3 / 17 |
| 2104 | Minors | 26.00 | 0 / 4 | 1 / 8 | 1 / 14 | 2 / 26 |
| 2105 | Minors | 23.00 | 0 / 0 | 0 / 12 | 1 / 11 | 1 / 23 |
| 2106 | Minors | 15.00 | 0 / 1 | 1 / 7 | 0 / 7 | 1 / 15 |
| 2107 | Majors | 21.00 | 0 / 0 | 1 / 11 | 2 / 10 | 3 / 21 |
| 2108 | Minors | 22.00 | 0 / 1 | 0 / 11 | 0 / 10 | 0 / 22 |
| 2109 | Minors | 32.00 | 0 / 2 | 1 / 14 | 0 / 16 | 1 / 32 |
| Total | 0 / 19 | 24 / 150 | 36 / 163 | 60 / 332 |
| Date | Transaction |
| 2109-11-01 | Mike Heffner has retired from the Seattle SONICS |
| 2108-03-25 | The Seattle SONICS have acquired Mike Heffner from the waiver wire. |
| 2106-10-23 | The Seattle SONICS have waived Mike Heffner. |
| 2103-04-01 | The Seattle SONICS have promoted Michael Kramer to the major league team. The Seattle SONICS have designated Mike Heffner for assignment. |
| 2102-03-25 | The Seattle SONICS have promoted Mike Heffner to the major league team. The Seattle SONICS have promoted Mel Holloway to the major league team. The Seattle SONICS have promoted Bruce Harris to the major league team. The Seattle SONICS have designated Rube Short for assignment. The Seattle SONICS have designated Larry Stein for assignment. |
| 2102-03-25 | The Seattle SONICS have acquired Mike Heffner from the waiver wire. |
| 2100-04-11 | The Washington Senators have waived Mike Heffner. |
| 2099-09-29 | The Washington Senators have sent Danny Rincon to the minors. The Washington Senators have sent Mike Heffner to the minors. The Washington Senators have sent Frank McNamara to the minors. |
| 2099-08-21 | The Washington Senators have promoted Mike Heffner to the major league team. |
| 2099-08-21 | The Washington Senators have acquired Mike Heffner from the waiver wire. |
| 2096-04-28 | The Minnesota Shock have waived Mike Heffner. |