 He went on to make 100 league appearances, scoring 3 times for the Shrimpers, before moving to Wrexham in June 1968 for a fee of £5,000.In June 1968 May was sold to Fourth Division rivals Wrexham for £5,000 and he settled rapidly at the Racecourse Ground, playing an influential role as the Robins were promoted in 1970 as runners-up to Chesterfield.Thereafter he became captain, leading John Neal's enterprising side to Welsh Cup success in 1972 and in two other rousing knockout campaigns.