| Event | Date | Location | |
| Cleveland Indians vs Seattle Mariners | Wed. May 16, 2012 7:05PM | Cleveland, OH - Progressive Field (formerly Jacobs Field) |  |
| Cleveland Indians vs Seattle Mariners | Thu. May 17, 2012 12:05PM | Cleveland, OH - Progressive Field (formerly Jacobs Field) | |
| Colorado Rockies vs Seattle Mariners | Fri. May 18, 2012 6:40PM | Denver, CO - Coors Field | |
| Colorado Rockies vs Seattle Mariners | Sat. May 19, 2012 2:10PM | Denver, CO - Coors Field | |
| Colorado Rockies vs Seattle Mariners | Sun. May 20, 2012 1:10PM | Denver, CO - Coors Field | |
| Seattle Mariners vs Texas Rangers | Mon. May 21, 2012 7:10PM | Seattle, WA - Safeco Field | |
| Seattle Mariners vs Texas Rangers | Tue. May 22, 2012 7:10PM | Seattle, WA - Safeco Field | |
| Seattle Mariners vs Texas Rangers | Wed. May 23, 2012 12:40PM | Seattle, WA - Safeco Field | |
| Seattle Mariners vs Los Angeles Angels of Anaheim | Thu. May 24, 2012 7:10PM | Seattle, WA - Safeco Field | |
| Seattle Mariners vs Los Angeles Angels of Anaheim | Fri. May 25, 2012 7:10PM | Seattle, WA - Safeco Field | |
| Seattle Mariners vs Los Angeles Angels of Anaheim | Sat. May 26, 2012 4:15PM | Seattle, WA - Safeco Field | |
| Seattle Mariners vs Los Angeles Angels of Anaheim | Sun. May 27, 2012 1:10PM | Seattle, WA - Safeco Field | |
| Texas Rangers vs Seattle Mariners | Mon. May 28, 2012 7:05PM | Arlington, TX - Rangers Ballpark In Arlington | |
| Texas Rangers vs Seattle Mariners | Tue. May 29, 2012 7:05PM | Arlington, TX - Rangers Ballpark In Arlington | |
| Texas Rangers vs Seattle Mariners | Wed. May 30, 2012 7:05PM | Arlington, TX - Rangers Ballpark In Arlington | |
| Chicago White Sox vs Seattle Mariners | Fri. Jun 1, 2012 7:10PM | Chicago, IL - US Cellular Field | |
| Chicago White Sox vs Seattle Mariners | Sat. Jun 2, 2012 3:10PM | Chicago, IL - US Cellular Field | |
| Chicago White Sox vs Seattle Mariners | Sun. Jun 3, 2012 1:10PM | Chicago, IL - US Cellular Field | |
| Los Angeles Angels of Anaheim vs Seattle Mariners | Tue. Jun 5, 2012 7:05PM | Anaheim, CA - Angel Stadium | |
| Los Angeles Angels of Anaheim vs Seattle Mariners | Wed. Jun 6, 2012 7:05PM | Anaheim, CA - Angel Stadium | |
| Seattle Mariners vs Los Angeles Dodgers | Fri. Jun 8, 2012 7:10PM | Seattle, WA - Safeco Field | |
| Seattle Mariners vs Los Angeles Dodgers | Sat. Jun 9, 2012 4:15PM | Seattle, WA - Safeco Field | |
| Seattle Mariners vs Los Angeles Dodgers | Sun. Jun 10, 2012 1:10PM | Seattle, WA - Safeco Field | |
| Seattle Mariners vs San Diego Padres | Tue. Jun 12, 2012 7:10PM | Seattle, WA - Safeco Field | |
| Seattle Mariners vs San Diego Padres | Wed. Jun 13, 2012 7:10PM | Seattle, WA - Safeco Field | |
| Seattle Mariners vs San Diego Padres | Thu. Jun 14, 2012 7:10PM | Seattle, WA - Safeco Field | |
| Seattle Mariners vs San Francisco Giants | Fri. Jun 15, 2012 7:10PM | Seattle, WA - Safeco Field | |
| Seattle Mariners vs San Francisco Giants | Sat. Jun 16, 2012 7:10PM | Seattle, WA - Safeco Field | |
| Seattle Mariners vs San Francisco Giants | Sun. Jun 17, 2012 1:10PM | Seattle, WA - Safeco Field | |
| Arizona Diamondbacks vs Seattle Mariners | Mon. Jun 18, 2012 6:40PM | Phoenix, AZ - Chase Field (formerly Bank One Ballpark) | |