MANCHESTER, ENGLAND - APRIL 20:  Luke Shaw (23) stands over injured team mate Marcos Rojo of Manchester United during the UEFA Europa League quarter final second leg match between Manchester United and RSC Anderlecht at Old Trafford on April 20, 2017 in Manchester, United Kingdom.  (Photo by Michael Steele/Getty Images)
MANCHESTER, ENGLAND - APRIL 20:  An injured Marcos Rojo of Manchester United is stretchered off during the UEFA Europa League quarter final second leg match between Manchester United and RSC Anderlecht at Old Trafford on April 20, 2017 in Manchester, United Kingdom.  (Photo by Laurence Griffiths/Getty Images)
MANCHESTER, ENGLAND - APRIL 20:  Zlatan Ibrahimovic of Manchester United goes down injured during the UEFA Europa League quarter final second leg match between Manchester United and RSC Anderlecht at Old Trafford on March 20, 2017 in Manchester, United Kingdom.  (Photo by Matthew Ashton - AMA/Getty Images)
TOPSHOT - Manchester United's Swedish striker Zlatan Ibrahimovic gets treatment after injuring his knee during the UEFA Europa League quarter-final second leg football match between Manchester United and Anderlecht at Old Trafford in Manchester, north west England, on April 20, 2017. / AFP PHOTO / Oli SCARFF        (Photo credit should read OLI SCARFF/AFP/Getty Images)