List of Seattle Mariners Opening Day starting pitchers Pitchers Pitchers

| Season | Pitcher | Decision | Opponent | Location_ |
|---|---|---|---|---|
| 2011 | Félix Hernández Category:Articles with hCards (4) | W | Oakland Athletics | Oakland-Alameda County Coliseum |
| 2012 | Félix Hernández Category:Articles with hCards (5) | ND (W) | Oakland Athletics | Tokyo Dome |
| 2013 | Félix Hernández Category:Articles with hCards (6) | W | Oakland Athletics | Oakland-Alameda County Coliseum |