Xavi Hernandez has backed his former manager Louis van Gaal to be a success at Manchester United. Van Gaal gave Xavi his Barcelona debut, but has not won everybody round since taking over at Old Trafford last summer. Upd. at 21:04 “He is a coach who should be paid attention to,” Xavi said from his new home in Qatar. “I believe that, in time, he will do a very, very good job with Manchester United. He already is doing [well]. “He is an amazing coach, fantastic. He was ahead of his time [at Barça].” CEST EFE, Sport EN 08/09/2015 “He’s taken the team into the Champions League and they will be a strong rival for teams in the Premier League and in Europe.