| W | L | ERA | G | GS | SV | IP | SO | WHIP | |
|---|---|---|---|---|---|---|---|---|---|
| 2012 | 7 | 7 | 4.67 | 30 | 13 | 1 | 108 | 86 | 1.32 |
| Career Minors | 9 | 10 | 4.57 | 44 | 20 | 1 | 151.2 | 120 | 1.29 |
| G | W-L | ERA | IP | SO | WHIP | |
|---|---|---|---|---|---|---|
| 2012 | 30 | 7-7 | 4.67 | 108 | 86 | 1.32 |
| Career Minors | 44 | 9-10 | 4.57 | 151.2 | 120 | 1.29 |
| Season | Tm | LG | L | W | L | ERA | G | GS | SV | IP | H | R | ER | HR | BB | SO | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2011 | State College Spikes | NYP | A(Short) | 2 | 3 | 4.33 | 14 | 7 | 0 | 43.2 | 37 | 22 | 21 | 4 | 15 | 34 | 1.19 |
| 2012 | West Virginia Power | SAL | A(Full) | 7 | 7 | 4.67 | 30 | 13 | 1 | 108.0 | 104 | 67 | 56 | 12 | 39 | 86 | 1.32 |
| Charleston Dirty Birds | ALPB | A | 7 | 7 | 4.67 | 30 | 13 | 1 | 108.0 | 104 | 67 | 56 | 12 | 39 | 86 | 1.32 | |
| State College Spikes | MLBDL | A(Short) | 2 | 3 | 4.33 | 14 | 7 | 0 | 43.2 | 37 | 22 | 21 | 4 | 15 | 34 | 1.19 | |
| Career Minors | 2 Teams | 9 | 10 | 4.57 | 44 | 20 | 1 | 151.2 | 141 | 89 | 77 | 16 | 54 | 120 | 1.29 |
| Team | Date | Transaction |
|---|---|---|
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04/19/2012 | LHP Mike Jefferson assigned to West Virginia Power from State College Spikes. |
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04/17/2012 | Mike Jefferson assigned to State College Spikes from West Virginia Power. |
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04/11/2012 | Mike Jefferson assigned to West Virginia Power from Pirates Extended Spring Training. |
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04/07/2012 | Mike Jefferson assigned to Pirates Extended Spring Training from West Virginia Power. |
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04/04/2012 | Mike Jefferson assigned to West Virginia Power from GCL Pirates. |
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09/01/2011 | Mike Jefferson assigned to GCL Pirates from State College Spikes. |
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06/22/2011 | Mike Jefferson assigned to State College Spikes. |
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06/20/2011 | Pittsburgh Pirates signed LHP Mike Jefferson. |