Premier League rulebook is set to have some changes as the league look to protect themselves from another coronavirus crisis.Matches are currently being played behind closed doors and Premier League chief executive Richard Masters has admitted further changes may be needed.It was estimated that the division would have lost £1.3billion had the season not restarted, with many other leagues around Europe failing to resume.And, with Wimbledon having banked £114m worth of compensation due to paying for pandemic insurance, Masters has spoken about potential changes that the Premier League may make.The Premier League were facing an unprecedented situation when Covid-19 hit and the league was halted in March.Many will hope things return to normal.