Jürgen Klopp was criticised by fans of his former club Mainz on Saturday over his decision to join energy drinks company Red Bull and oversee its football clubs.
Greek authorities launched a ban on paper tickets for all league football matches on Tuesday as part of an effort to crack down on the violence that has plagued the sport for decades.
Arsenal will wear their away kit against rivals Tottenham in the north London derby on Sunday due to their red-and-white home kit featuring too much white.
