MLB retired Jackie Robinson's number on April 15, 1997. Robinson's number remains the only one to be retired across all of professional baseball. Jackie was the first African American to play in Major League Baseball in the modern era. Robinson broke the baseball color line when he started at first base for the Brooklyn Dodgers on April 15, 1947. He was a six-time All-Star (1949-1954), National League MVP (1949), Rookie of the Year (1947). He was elected to the Baseball Hall of Fame in 1962.

The Seattle Mariners retired Ken Griffey, Jr’s number prior to the 2016 season for the entire organization. The number one overall pick in the 1987 draft, Griffey hit his first professional home run at Everett Memorial Stadium as a member of the Bellingham Mariners. He was the 1997 AL MVP, a 13x All-Star, 10x Gold Glove Award winner, and a member of the MLB All-Century team. He was elected to the Baseball Hall of Fame in 2016.

In his two seasons with the AquaSox (2006 and 2007), Halman, an outfielder, batted a combined .291 with 21 home runs, 52 RBI and 26 stolen bases in 90 games. As a 19 year-old in 2007, he was voted as a Northwest League All-Star after batting .307 with 16 home runs in 62 games. A top prospect, he made his MLB debut in 2010 unfortunately he passed away in November 2011 at the age of 24.

For 35 years Marion “Spyder” Webb has served as the athletic trainer for the Seattle Mariners’ entry in the Northwest League. He started his NWL career in 1979 with the Bellingham Mariners and remained with the Mariners organization when the affiliate moved to Everett in 1995. Webb was the recipient of the 2003 Joe Martin Award, given to an individual in the Northwest League who has shown exceptional dedication and service. Spyder retired following the 2013 season.