Bookmaker News Play Off Odds May 12, 2012 Football Betting News From William Hill Bookmaker 0 Comments Blackpool, Cardiff, Championship Play Offs, Favs, Odds, William Hill Blackpool are now 4/7 with William Hill to get past 5/4 Birmingham. But W Ham are 4/5 favs to win the Championship play-offs with Blackpool 5/2;Birmingham 7/2; Cardiff 14/1.