 The Wild Card Game would prove to be Volquez's last game as a Pirate, as he became a free agent after the 2014 season.On December 29, 2014, the Kansas City Royals announced that they had signed Vólquez to a 2-year, $20 million contract.During a game against the Chicago White Sox on April 23, 2015, Vólquez was ejected for his role in the brawl.