G. Sizemore
Cle
Homeruns
| Game Date | Season # | Opp. | Pitcher | Inning | B | S | O | Runners | Com. |
| September 19th | 33 | Det | Galarraga | 6 | 2 | 2 | 1 | 0 | 0 |
| September 16th | 32 | Min | Guardado | 8 | 2 | 2 | 1 | 0 | 0 |
| August 25th | 31 | Det | Galarraga | 3 | 0 | 0 | 0 | 0 | 0 |
| August 25th | 30 | Det | Galarraga | 1 | 1 | 0 | 0 | 0 | 0 |
| August 21st | 29 | KC | Newman | 8 | 2 | 2 | 0 | 2 | 0 |
| August 19th | 28 | KC | Nunez | 6 | 0 | 0 | 2 | 2 | 0 |
| July 31st | 27 | Det | Verlander | 5 | 0 | 0 | 1 | 2 | 0 |
| July 30th | 26 | Det | Robertson | 2 | 0 | 0 | 2 | 2 | 0 |
| July 23rd | 25 | LAA | O'Day | 8 | 0 | 0 | 1 | 0 | 0 |
| September 22nd | 24 | Oak | Haren | 5 | 3 | 2 | 1 | 1 | 0 |
| July 22nd | 24 | LAA | Weaver | 1 | 3 | 1 | 0 | 0 | 0 |
| August 28th | 23 | Min | Bonser | 3 | 2 | 0 | 1 | 0 | 0 |
| July 12th | 23 | TB | Garza | 2 | 1 | 2 | 2 | 1 | 0 |
| August 25th | 22 | KC | Davies | 2 | 0 | 0 | 0 | 0 | 0 |
| July 5th | 22 | Min | Slowey | 2 | 2 | 2 | 1 | 2 | 0 |
| August 18th | 21 | TB | Hammel | 5 | 0 | 1 | 1 | 0 | 0 |
| July 2nd | 21 | CWS | Linebrink | 9 | 1 | 1 | 0 | 0 | 0 |
| August 14th | 20 | Det | Bonderman | 1 | 3 | 1 | 1 | 1 | 0 |
| July 2nd | 20 | CWS | Contreras | 6 | 2 | 2 | 2 | 0 | 0 |
| August 3rd | 19 | Min | Santana | 3 | 1 | 0 | 1 | 1 | 0 |
| June 29th | 19 | Cin | Arroyo | 6 | 0 | 1 | 0 | 0 | 0 |
| July 23rd | 18 | Bos | Lester | 3 | 0 | 2 | 1 | 1 | 0 |
| June 27th | 18 | Cin | Thompson | 5 | 1 | 0 | 1 | 0 | 0 |
| July 21st | 17 | Tex | Mahay | 7 | 3 | 1 | 0 | 0 | 0 |
| June 15th | 17 | SD | Meredith | 7 | 2 | 2 | 0 | 0 | 0 |
| July 19th | 16 | Tex | Loe | 5 | 2 | 2 | 0 | 0 | 0 |
| June 13th | 16 | SD | Adams | 7 | 2 | 0 | 0 | 1 | 0 |
| July 7th | 15 | Tor | Marcum | 4 | 2 | 1 | 1 | 0 | 0 |
| June 13th | 15 | SD | Banks | 1 | 1 | 1 | 0 | 0 | 0 |
| July 2nd | 14 | TB | Reyes | 8 | 1 | 0 | 1 | 3 | 0 |
| June 12th | 14 | Min | Hernandez | 4 | 1 | 0 | 0 | 0 | 0 |
| June 26th | 13 | Oak | Haren | 3 | 0 | 0 | 0 | 0 | 0 |
| June 11th | 13 | Min | Reyes | 7 | 2 | 2 | 2 | 2 | 0 |
| June 23rd | 12 | Was | Chico | 6 | 0 | 0 | 0 | 0 | 0 |
| June 4th | 12 | Tex | Ponson | 4 | 3 | 1 | 1 | 0 | 0 |
| June 9th | 11 | Cin | Belisle | 1 | 3 | 2 | 0 | 0 | 0 |
| June 1st | 11 | KC | Bannister | 8 | 2 | 1 | 1 | 0 | 0 |
| June 2nd | 10 | Det | Durbin | 6 | 3 | 1 | 1 | 0 | 0 |
| May 30th | 9 | Bos | Matsuzaka | 6 | 0 | 1 | 2 | 1 | 0 |
| May 30th | 9 | KC | Meche | 1 | 2 | 2 | 0 | 0 | 0 |
| May 23rd | 8 | KC | Elarton | 1 | 1 | 0 | 0 | 0 | 0 |
| May 23rd | 8 | Tex | Gabbard | 3 | 2 | 2 | 2 | 2 | 0 |
| May 18th | 7 | Cin | Santos | 3 | 3 | 2 | 1 | 1 | 0 |
| May 14th | 7 | Oak | Blanton | 1 | 1 | 0 | 0 | 0 | 0 |
| May 15th | 6 | Min | Crain | 6 | 2 | 2 | 2 | 1 | 0 |
| May 10th | 6 | Tor | Frasor | 5 | 3 | 2 | 2 | 2 | 0 |
| April 27th | 5 | Bal | Guthrie | 6 | 0 | 0 | 2 | 2 | 0 |
| May 10th | 5 | Tor | McGowan | 1 | 3 | 2 | 0 | 0 | 0 |
| April 12th | 4 | LAA | Moseley | 6 | 1 | 0 | 0 | 0 | 0 |
| May 3rd | 4 | KC | Hochevar | 5 | 1 | 1 | 1 | 0 | 0 |
| April 5th | 3 | CWS | Buehrle | 1 | 1 | 1 | 0 | 0 | 0 |
| April 30th | 3 | Sea | Washburn | 1 | 1 | 1 | 0 | 0 | 0 |
| April 4th | 2 | CWS | Thornton | 7 | 0 | 0 | 2 | 1 | 0 |
| October 13th | 2 | Bos | Schilling | 5 | 1 | 0 | 1 | 0 | 0 |
| April 24th | 2 | KC | Yabuta | 5 | 3 | 2 | 2 | 0 | 0 |
| April 2nd | 1 | CWS | Contreras | 1 | 1 | 0 | 0 | 0 | 0 |
| October 8th | 1 | NYY | Wang | 1 | 1 | 1 | 0 | 0 | 0 |
| March 31st | 1 | CWS | Buehrle | 2 | 1 | 2 | 2 | 0 | 0 |