Career
Greenhalgh started his career with his local club, Bolton Wanderers, but failed to break through into the first team In 1935 he moved to New Brighton, where he suffered with appendicitis. After making a full recovery, he re-discovered his form and was sold to Everton.
They helped Everton to the Football League title in 1939 before his career was interrupted by the war.
He remained at Goodison Park until 1949, making a total of 115 appearances before moving to non-league Bangor City on a free transfer.