 Unfortunately for his team, Everton then mounted one of the greatest comebacks in FA Cup final history, and eventually ran out 3–2 winners.After almost four seasons and 174 appearances for the "Owls", McCalliog moved on to fellow top-flight side Wolverhampton Wanderers for £70,000, where he was virtual ever-present over the next three seasons.He played in the club's run to the 1972 UEFA Cup Final, scoring a vital away goal against Juventus en route.