He joined the American Association 's Minneapolis Millers in 1908 , pitching most of the next decade for them and winning over 20 games in four different seasons .
After 1903 , Patterson remained an effective pitcher , but his workload diminished .
Patterson joined the American Association 's Minneapolis Millers in 1908 , pitching most of the next decade for them and winning over 20 games in four different seasons .
After 1903 , Patterson remained an effective pitcher , but his workload diminished .