sentences:  His treatment of Bradford player Jimmy Conlin during the match enraged the crowd and after the game Bonthron was attacked by home supporters.Criminal charges followed against the perpetrators and a Football Association (FA) inquiry resulted in the temporary closure of Bradford City's Valley Parade ground.He joined Sunderland in May 1907, playing 24 games, before moving on the following year to Northampton Town, with whom he won the Southern League championship in the 1908–09 season.