List of Seattle Mariners Opening Day starting pitchers Pitchers Pitchers

| Season | Pitcher | Decision | Opponent | Location_ |
|---|---|---|---|---|
| 1994 | Randy Johnson Category:Articles with hCards (3) | ND (L) | Cleveland Indians | Jacobs Field |
| 1995 * | Randy Johnson Category:Articles with hCards (4) | W | Detroit Tigers | Kingdome |
| 1996 | Randy Johnson Category:Articles with hCards (5) | ND (W) | Chicago White Sox | Kingdome |
| 1997 * | Jeff Fassero Category:Articles with hCards | W | New York Yankees | Kingdome |
| 1998 | Randy Johnson Category:Articles with hCards (6) | ND (L) | Cleveland Indians | Kingdome |
| 1999 | Jeff Fassero Category:Articles with hCards (2) | L | Chicago White Sox | Kingdome |
| 2000 | Jamie Moyer Category:Articles with hCards | L | Boston Red Sox | Safeco Field |
| 2001 * | Freddy García Category:Articles with hCards | ND (W) | Oakland Athletics | Safeco Field |
| 2002 | Freddy García Category:Articles with hCards (2) | L | Chicago White Sox | Safeco Field |