Amad Diallo was the unlikely hero for Manchester United as they booked a spot in the FA Cup semi-finals.
The 21-year-old Ivorian star came on in the 85th minute to replace Raphael Varane and slotted home the eventual winner when Alejandro Garnacho broke free from Harvey Elliott's misplaced pass.
Manchester United fought back twice from losing positions, with goals from Marcus Rashford to level the scoring to 3-3 in extra time.
Diallo celebrated wildly as his goal in the 120th minute secured Manchester United's ticket to Wembley in the FA Cup semi-final.