MIDDLESBROUGH, ENGLAND - MAY 15:  Mark Warburton manager of Brentford (R) looks on after defeat in the Sky Bet Championship Playoff semi final second leg match between Middlesbrough and Brentford at the Riverside Stadium on May 15, 2015 in Middlesbrough, England.  Boro won the match 3-0 and 5-1 on aggregate.  (Photo by Laurence Griffiths/Getty Images)