During her club career she won the 1982 WFA Cup final with Lowestoft Ladies F.C.
They beat Cleveland Spartans 2-0 in the final held at Loftus Road, with Slack as captain.
[3][4] She won the WFA Cup for a second time in 1986 whilst playing for Norwich, after they beat Doncaster Belles 4-3 in the final at Carrow Road.
She played her first game at the Stadio Armando Picchi in Jesolo in a 1-1 draw against Belgium.
[8][9] Before making a name for herself in the football world, Slack was an England junior badminton player.