| 2011 Postseason Series | ||||
| Series | Winner | Loser | Gms | |
| AL Division |  Seattle Mariners (90-72) | def. |  Chicago White Sox (99-63) | 4-3 |
| AL Division |  Washington Nationals (107-55) | def. |  Cleveland Indians (96-66) | 4-1 |
| NL Division |  Atlanta Braves (110-52) | def. |  San Diego Padres (97-65) | 4-2 |
| NL Division |  Los Angeles Dodgers (115-47) | def. |  Cincinnati Reds (108-54) | 4-3 |
| AL Championship | Washington Nationals (107-55) | def. | Seattle Mariners (90-72) | 4-2 |
| NL Championship | Los Angeles Dodgers (115-47) | def. | Atlanta Braves (110-52) | 4-2 |
| World Series | Los Angeles Dodgers (115-47) | def. | Washington Nationals (107-55) | 4-2 |
| Seattle defeats Chicago AL 4-3 | ||||||||||
| Date | # | Inn | Away | R | Home | R | Win | Loss | Save | GWRBI |
| 10/5/2011 | 1 | Seattle | 1 | Chicago AL | 6 | Hammel | Santana | Donald | ||
| 10/6/2011 | 2 | Seattle | 3 | Chicago AL | 15 | Porcello | Dickey | Gutierrez | ||
| 10/8/2011 | 3 | 10 | Chicago AL | 0 | Seattle | 1 | TMiller | Wood | Valencia | |
| 10/9/2011 | 4 | Chicago AL | 4 | Seattle | 5 | Clippard | Riske | Balfour | Hall | |
| 10/10/2011 | 5 | Chicago AL | 4 | Seattle | 3 | DHernandez | Balfour | Putz | Youkilis | |
| 10/12/2011 | 6 | Seattle | 6 | Chicago AL | 5 | Dickey | Porcello | Clippard | Cano | |
| 10/13/2011 | 7 | 10 | Seattle | 10 | Chicago AL | 7 | Miller | Zito | Konerko | |
| Washington defeats Cleveland 4-1 | ||||||||||
| Date | # | Inn | Away | R | Home | R | Win | Loss | Save | GWRBI |
| 10/5/2011 | 1 | Cleveland | 2 | Washington | 5 | Hanson | Sanches | Soriano | Rolen | |
| 10/6/2011 | 2 | Cleveland | 5 | Washington | 6 | Thornton | Lewis | Soriano | Michaels | |
| 10/8/2011 | 3 | Washington | 5 | Cleveland | 2 | Thornton | Verlander | Soriano | Rolen | |
| 10/9/2011 | 4 | Washington | 3 | Cleveland | 5 | Tejeda | de la Rosa | Axford | Scutaro | |
| 10/10/2011 | 5 | Washington | 4 | Cleveland | 1 | Hanson | Buchholz | Soriano | Choo | |
| Atlanta defeats San Diego 4-2 | ||||||||||
| Date | # | Inn | Away | R | Home | R | Win | Loss | Save | GWRBI |
| 10/5/2011 | 1 | San Diego | 0 | Atlanta | 3 | Kershaw | Lee | JSmith | Heyward | |
| 10/6/2011 | 2 | San Diego | 4 | Atlanta | 2 | Takahashi | Floyd | Uehara | Thames | |
| 10/8/2011 | 3 | Atlanta | 0 | San Diego | 9 | Hudson | Sanchez | Buck | ||
| 10/9/2011 | 4 | Atlanta | 4 | San Diego | 2 | Wilson | Takahashi | Wagner | Heyward | |
| 10/10/2011 | 5 | Atlanta | 5 | San Diego | 4 | Wagner | Aardsma | Hardy | ||
| 10/12/2011 | 6 | San Diego | 3 | Atlanta | 5 | JSmith | Burnett | BWilson | Weeks | |
| Los Angeles NL defeats Cincinnati 4-3 | ||||||||||
| Date | # | Inn | Away | R | Home | R | Win | Loss | Save | GWRBI |
| 10/5/2011 | 1 | Cincinnati | 3 | Los Angeles | 2 | Oswalt | Haren | Thatcher | Werth | |
| 10/6/2011 | 2 | Cincinnati | 4 | Los Angeles | 2 | WRodriguez | Meek | Marshall | Werth | |
| 10/8/2011 | 3 | Los Angeles | 9 | Cincinnati | 7 | Zambrano | Billingsley | Bautista | ||
| 10/9/2011 | 4 | Los Angeles | 6 | Cincinnati | 5 | MRivera | Francisco | DRoss | ||
| 10/10/2011 | 5 | Los Angeles | 9 | Cincinnati | 4 | Haren | Oswalt | McCann | ||
| 10/12/2011 | 6 | Cincinnati | 7 | Los Angeles | 0 | Price | Lilly | Encarnacion | ||
| 10/13/2011 | 7 | Cincinnati | 1 | Los Angeles | 2 | MRivera | Marshall | DRoss | ||
| Washington defeats Seattle 4-2 | ||||||||||
| Date | # | Inn | Away | R | Home | R | Win | Loss | Save | GWRBI |
| 10/15/2011 | 1 | Seattle | 3 | Washington | 5 | Thornton | Santana | Soriano | Posada | |
| 10/16/2011 | 2 | Seattle | 0 | Washington | 12 | Wilson | Cueto | Rolen | ||
| 10/18/2011 | 3 | Washington | 1 | Seattle | 3 | Dickey | Lewis | Clippard | Fukudome | |
| 10/19/2011 | 4 | Washington | 3 | Seattle | 2 | Guerrier | Contreras | Soriano | Torres | |
| 10/20/2011 | 5 | Washington | 2 | Seattle | 3 | Capps | Hanson | Balfour | Konerko | |
| 10/22/2011 | 6 | Seattle | 2 | Washington | 8 | Wilson | Dickey | Rolen | ||
| Los Angeles NL defeats Atlanta 4-2 | ||||||||||
| Date | # | Inn | Away | R | Home | R | Win | Loss | Save | GWRBI |
| 10/15/2011 | 1 | Atlanta | 2 | Los Angeles | 3 | Haren | Kershaw | MRivera | Haren | |
| 10/16/2011 | 2 | 11 | Atlanta | 5 | Los Angeles | 4 | Wagner | MRivera | Mitre | Heyward |
| 10/18/2011 | 3 | Los Angeles | 3 | Atlanta | 5 | Floyd | Lilly | JSmith | Zimmerman | |
| 10/19/2011 | 4 | Los Angeles | 3 | Atlanta | 1 | Zambrano | Strasburg | Benoit | Dunn | |
| 10/20/2011 | 5 | Los Angeles | 5 | Atlanta | 4 | Moylan | Kershaw | Rivera | Ordonez | |
| 10/22/2011 | 6 | Atlanta | 6 | Los Angeles | 7 | Logan | JSmith | MRivera | Bautista | |
| Los Angeles NL defeats Washington 4-2 | ||||||||||
| Date | # | Inn | Away | R | Home | R | Win | Loss | Save | GWRBI |
| 10/25/2011 | 1 | 17 | Washington | 8 | Los Angeles NL | 3 | Burnett | MRivera | Jay | |
| 10/26/2011 | 2 | Washington | 6 | Los Angeles NL | 7 | Meek | Thornton | RDavis | ||
| 10/28/2011 | 3 | Los Angeles NL | 7 | Washington | 3 | Lilly | Wilson | Castro | ||
| 10/29/2011 | 4 | Los Angeles NL | 11 | Washington | 1 | Willis | de la Rosa | KJohnson | ||
| 10/30/2011 | 5 | Los Angeles NL | 3 | Washington | 4 | Hanson | Zambrano | Guerrier | Torres | |
| 11/01/2011 | 6 | Washington | 1 | Los Angeles NL | 2 | Haren | Lewis | MRivera | Ordonez | |
