Aulds was signed by a Red Sox scout in 1946, and he played for the
Scranton Red Sox of the Class A
Eastern League. His second appearance was May 30, when he entered a game the Red Sox were losing 10–4 to the
Washington Senators; he batted once but did not get a hit. His final appearance was on June 22, when the Red Sox were losing 8–2 against the
Cleveland Indians; again he batted once and was hitless. In those three games he caught a total of 9 innings, recording 7
putouts. For the remainder of the 1947 season, Aulds played 32 games with the
New Orleans Pelicans of the Class AA
Southern Association, with a .245 batting average. In 1948, Aulds again played for Louisville, batting .235 and appearing in 104 games. In 1949, his final year in the Red Sox organization, he split time between Louisville where he batted .185 in 9 games, and Scranton where he batted .250 in 48 games. ==Later life==