sentences:  Douglass was a left fielder when he debuted for the St. Louis Browns in 1896, but he registered a fielding percentage of only .894, and the team moved him to catcher the next season.Douglass was sent to Philadelphia in a multiplayer trade before the 1898 season, and he became the team's first baseman.Promising infielder Nap Lajoie has been the team’s primary first baseman, and Lajoie was shifted to second base.