Career
He played for Newcastle Gosforth and Leeds Tykes in rugby union, and Leeds, Bradford Bulls and Halifax Blue Sox in rugby league. Scales started his career in rugby union with Newcastle Gosforth before switching to rugby league to sign for Leeds in March 1993. He failed to establish a place in the first team, and moved to Bradford Bulls in 1995.
He also scored in the final against Street Helens but the team went on to lose 32–40.
He left the club at the end of the 1998 season, and switched back to rugby union to play for Leeds Tykes. He later had a spell playing rugby union in France.
In 2000, he spent a month on trial at Halifax Blue Sox, but made just one first team appearance before being released. He returned to rugby union to play for Sedgley Park.