[2][5] In 13 minor league seasons, he appeared in 1057 games, compiling a .240 batting average with 38 home runs and at least 155 RBIs.

[4] Marshall's lone major league appearance came with the St. Louis Cardinals on June 14, 1941, in a home game against Brooklyn Dodgers played at Sportsman's Park.

[6][7] With the Cardinals losing in the eighth inning, 12–5, Marshall entered the game as a pinch runner, replacing fellow catcher Gus Mancuso, who had just reached first base on a fielder's choice.

[6] Marshall stayed in the game defensively for the top of the ninth inning, handling relief pitcher Ira Hutchinson.

[1] Born in Wilmington, Delaware, Marshall worked for the United States Postal Service after his professional baseball career, retiring in 1983.