The San Francisco Seals were members of baseball's Pacific Coast League from 1903 until 1958. Arguably the most successful minor league franchise ever, the Seals held the minor league attendance record from 1946 until it was broken by Louisville in the 1980s, and remained independently owned until 1956. The Seals were also Joe DiMaggio's first team and many another major league star was on the team's roster on his climb up the ranks. This...