 Casey appeared in 143 games and stole 27 bases and helped lead the 1899 Brooklyn club to the National League championship and a 101–47 record.Casey ranked second among National League third basemen in 1899 with 23 double plays turned.The 1899 Superbas had the two shortest players in the National League in Casey (5', 6") and Wee Willie Keeler (5', 4").