 While at Wrexham, he was responsible for one of the most memorable moments in the club's history, a vital away goal in a 4–3 defeat against Porto in the first round of the European Cup-Winners' Cup in October 1984.Wrexham had won the first leg 1–0, and Horne's 89th-minute strike ensured that they progressed to the second round of the competition, where they lost to Roma.He captained the Welsh national team and won the FA Cup in 1995 whilst playing for Everton, the team he supports.