Former Seattle Mariners 3rd Baseman & Designated Hitter Edgar Martinez will become the second Mariner to have his number retired by the franchise besides Ken Griffey Jr. Martinez, who played with the Mariners for parts of 18 seasons, 1987-2004, will have his number retired prior to a August 12, 2017 game at Safeco Field versus the California Angels. Bring back the trident. Bring back the royal blue and gold. Bring back pullover jerseys. Bring back sansabelt baseball pants with the striped waistband. Bring back the Ultimate Baseball Look. The fans want to see the Mariners wear the blue & gold trident uniforms again on a full-time basis!