In a case in which Bill represented future Hall-of-Fame White Sox player Frank Thomas in a medical malpractice case, the matter was "resolved amicably." Bill currently represents numerous retired NFL players and the Estate of former Chicago Bear Dave Duerson against the NFL in litigation stemming from concussions and CTE suffered by Duerson. He also represents the Estate of former New York Rangers hockey enforcer Derek Boogaard in litigation against the NHL alleging the league failed to monitor the prescription of drugs by team doctors that led to Boogaard's death.