 Black was a prolific scorer with Heart of Midlothian before World War II, scoring 29 goals in 34 games in the 1936-37 season, before finishing as top scorer in the Scottish League with 40 goals in 38 appearances in the following season.He was widely credited the following season as being the first player to score a hat-trick against Rangers at Ibrox.However this had been first achieved by Willie Wilson of Hearts in October 1915.