By , he was managing
Des Moines in the
Western League, and the following season he was named pilot of the
St. Paul Saints of the
American Association, where he won back-to-back pennants in –. Apart from 4½ seasons, Kelley managed in the Twin Cities through . He coached the
St. Paul team for nearly 18 seasons (1902–05; August 1908 – 1912; 1915–23), where he won five championships. His Saints
won 115 games, the 1922 team notched 107 victories – each time winning the pennant – and his 1923 club won 111 games while finishing second, two games behind the
Kansas City Blues. Kelley first managed the
Minneapolis Millers for one season (). At the close of the season, he purchased the Millers and became their manager. He led the Millers through 1931, but never won a pennant; his highest finish was second, to the
Indianapolis Indians, in 1928. After a sixth-place finish in '31, he retired to the club presidency, operating the Millers until he sold them to the
New York Giants in . His over-all record in his 30 years as a minor league was 2,390 wins and 2,102 losses for a .532 winning percentage. ==Post-career==