MILAN, ITALY - MAY 28: Referee Mark Clattenburg walks around the pitch prior to the UEFA Champions League Final match between Real Madrid and Club Atletico de Madrid at Stadio Giuseppe Meazza on May 28, 2016 in Milan, Italy. (Photo by Shaun Botterill/Getty Images)

MILAN, ITALY - MAY 28:  Referee Mark Clattenburg walks around the pitch prior to the UEFA Champions League Final match between Real Madrid and Club Atletico de Madrid at Stadio Giuseppe Meazza on May 28, 2016 in Milan, Italy.  (Photo by Shaun Botterill/Getty Images)