He was assigned to A Company, 25th Infantry at Schofield Barracks, Hawaii and became a private first class in October 1918.

He played baseball for the 25th Infantry Wreckers from 1916 to 1920, along with Bullet Rogan and other future Negro leaguers.

Nicknamed "the Black Cat", Moore won the NNL batting title in 1924 when he hit .453.

His career ended abruptly in mid-1926 when he was shot in the leg by a girlfriend and suffered a compound fracture jumping from a second-story balcony to escape from her.

[1] A few years after his death, Moore received votes listing him on the 1952 Pittsburgh Courier player-voted poll of the Negro leagues' best players ever.