Toby Alderweireld welcome Southampton to Stamford Bridge on Sunday . Toby Alderweireld will be re-united with former team-mate Diego Costa . Alderweireld says the striker plays with the same fiery attitude in training . Belgium international puts it down to Costa 's desire to win .
Chelsea welcome Southampton to Stamford Bridge on Sunday . Toby Alderweireld will be re-united with former team-mate Diego Costa . Alderweireld says the striker plays with the same fiery attitude in training . Belgium international puts it down to Costa 's desire to win .