 Millwall made a strong start to the 1988–89 season where went top of the league at the beginning of October and remained in the top four most of the season, before a failure to win any of their final 10 league games saw them slip to tenth, their lowest position all season.They were relegated in bottom place the following season, but Carter initially stayed with Millwall.Carter finally left Millwall on 10 January 1991, when Kenny Dalglish signed him for Liverpool for a fee of £800,000.