Peacock briefly came out of retirement when he came on as a substitute against Shamrock Rovers in the Texaco Cup in September 1971. It was his last game for Coleraine as they lost 3–0 at The Showgrounds (Coleraine).
Peacock briefly rejoined the team in September 1971, substituting for Shamrock Rovers in the Texaco Cup match at Coleraine. It was his last appearance for Coleraine as they lost 3-0 at The Showgrounds.