The early days of the Mariners were lacking highlights. There aren’t many things that immediately come to mind when you think back on the pre-Ken Griffey Jr. Mariners. Alvin Davis won the Rookie of the Year Award, and over the course of his Mariners career played so well relative to the rest of the team that a movement emerged to retire his number. Gaylord Perry won his 300th game in a Mariners uniform There’s the Kingdome cat guy. Mario Mendoza, of the Mendoza Line fame, had his best season with the Mariners, slashing .