By Jamie Spencer Barcelona winger Raphinha has admitted that he hasn’t played as well for the club as he was doing for former side Leeds, insisting he is still adapting to life at Camp Nou. Raphinha either scored or assisted 14 Premier League goals in a struggling Leeds team last season, with that form enough to spark a three-way transfer battle among Barcelona, Chelsea and Arsenal. It was Barça who won the race, securing a deal worth up to €67m with future add-ons. But the Brazil international has struggled to establish himself, starting fewer than half of the club’s La Liga games and failing…