Several fans emailed the team expressing their anger at the gesture, which was not authorized directly by the team.

President Donald Trump is celebrating the merger of US Steel and Nippon Steel with a rally near Pittsburgh, Pennsylvania. Trump is set to speak at US Steel’s Irvin Works in West Mifflin, Pennsylvania,

By Jeff Mason, Alexandra Alper and Trevor HunnicuttWEST MIFFLIN, Pennsylvania (Reuters) -U.S. President Donald Trump on Friday lauded an "agreement" between Nippon Steel and U.S. Steel at a political rally but stopped short of clarifying whether he planned to approve the companies' diplomatically sensitive merger.