| MLB Home Runs - September 21, 2009 | ||||||||
| NAME | HR | OPP | PITCHER | SITUATION | +/- | WIN % BEF | WIN % AFT | WIN % DELTA |
| J. Bay | 36 | OAK | DiNardo | Top 3: 0-1, 1 Out. 2 on. | 0 | 52.5 | 73.2 | 20.7 |
| M. Reynolds | 43 | SF | Zito | Bot 1: 0-0, 2 Outs. 1 on. | 0 | 46.3 | 64.6 | 18.3 |
| A. Gonzalez | 39 | BAL | McCutchen | Top 1: 1-0, 1 Out. 1 on. | 0 | 46.7 | 63.6 | 16.9 |
| G. Anderson | 13 | PHI | Misch | Top 1: 0-0, 2 Outs. 1 on. | 3 | 63.7 | 79.5 | 15.7 |
| C. Headley | 12 | OAK | Chavez | Top 8: 0-0, 0 Outs. None on. | 1 | 72.6 | 85.0 | 12.4 |
| M. Jacobs | 18 | BOS | Wakefield | Bot 5: 0-0, 1 Out. 2 on. | -5 | 8.6 | 20.7 | 12.1 |
| N. Hundley | 7 | OAK | Chavez | Top 8: 2-1, 1 Out. 1 on. | 2 | 85.3 | 95.7 | 10.4 |
| G. Jones | 20 | MIA | LeBlanc | Bot 1: 2-0, 2 Outs. None on. | -2 | 35.0 | 45.1 | 10.1 |
| D. Lee | 34 | CHC | Looper | Top 2: 0-0, 2 Outs. 1 on. | 5 | 80.8 | 90.7 | 9.9 |
| M. Tejada | 12 | MIL | Lohse | Bot 1: 1-1, 1 Out. None on. | -3 | 28.1 | 37.1 | 8.9 |
| A. Rodriguez | 26 | SEA | Saunders | Top 7: 1-0, 0 Outs. None on. | -3 | 10.2 | 17.8 | 7.6 |
| C. Jones | 17 | PHI | Misch | Top 2: 0-0, 1 Out. 2 on. | 6 | 89.8 | 96.7 | 6.9 |
| M. DeRosa | 22 | PIT | Rodriguez | Top 3: 2-0, 2 Outs. None on. | 4 | 81.6 | 87.5 | 6.0 |
| L. Overbay | 15 | BAL | Tillman | Bot 6: 1-1, 0 Outs. None on. | 2 | 85.6 | 91.5 | 5.9 |
| M. Diaz | 12 | PHI | Misch | Top 2: 2-1, 0 Outs. None on. | 4 | 82.9 | 88.6 | 5.7 |
| K. Morales | 31 | CHW | Bruney | Bot 7: 1-0, 1 Out. None on. | 2 | 88.5 | 94.3 | 5.7 |
| J. McDonald | 3 | WSH | Meredith | Bot 6: 1-1, 2 Outs. None on. | 3 | 90.4 | 94.4 | 4.1 |
| L. Berkman | 23 | MIL | Lohse | Bot 6: 0-0, 1 Out. None on. | -4 | 5.3 | 9.3 | 4.0 |
| M. DeRosa | 23 | HOU | Paronto | Top 6: 1-1, 0 Outs. None on. | 4 | 90.4 | 94.4 | 3.9 |
| M. Cameron | 21 | MIL | Gorzelanny | Bot 4: 2-1, 1 Out. None on. | -6 | 5.3 | 9.1 | 3.8 |
| H. Matsui | 27 | SEA | Saunders | Top 8: 1-2, 1 Out. None on. | -3 | 5.1 | 8.5 | 3.4 |
| A. Ramirez | 14 | CHC | Looper | Top 2: 0-1, 2 Outs. None on. | 6 | 90.6 | 93.8 | 3.2 |
| M. Cameron | 20 | MIL | Gorzelanny | Bot 2: 0-1, 1 Out. None on. | -7 | 5.3 | 8.2 | 2.9 |
| D. Murphy | 11 | TEX | Lowe | Bot 4: 0-0, 0 Outs. None on. | -9 | 1.0 | 1.0 | 0.0 |
| M. Carson | 1 | TEX | Guardado | Bot 9: 1-2, 0 Outs. 1 on. | -9 | 1.0 | 1.0 | 0.0 |