WOLFSBURG, GERMANY - DECEMBER 08:  Callum Gribbin of Manchester United U19s in action with Jannes-Kilian Horn of VfL Wolfsburg U19s during the UEFA Youth League match between VfL Wolfsburg U19s and Manchester United U19s at AOK Stadium on December 8, 2015 in Wolfsburg, Germany.  (Photo by John Peters/Man Utd via Getty Images)