Phil Jagielka lost his bearings just long enough for Ander Herrera to slide in and set up Anthony Martial for glory.
Manchester United is onto the FA Cup Final after blowing a 1-0 lead but finding a very late winner to beat Everton 2-1 on Saturday.
[ MORE: Recapping a scintillating game at Wembley ]
Wembley Stadium was the venue for the heroics, as under pressure managers Louis Van Gaal and Roberto Martinez face very different lines of questioning following the semi.
Anthony Martial cost Man United $54.5 million last summer. Worth. Every. Penny. #FACupSemiFinalhttps://t.co/RfVJ5d2uGl
— FOX Soccer (@FOXSoccer) April 23, 2016