A look at what is making the back-page headlines in today's national newspapers:
THE SUN: Furious Chelsea have sensationally accused referee Mark Clattenburg of verbally abusing their players. Also: Luis Suarez and David Moyes' bitter feud erupted again yesterday...Roberto Mancini has won his power battle with Brian Marwood.
DAILY MAIL: Mark Clattenburg was caught up in a storm last night after the referee was accused of aiming a racist insult at Chelsea midfielder John Obi Mikel during their 3-2 home defeat by Manchester United at Stamford Bridge. Also: Chelsea face an FA and police investigation after shameful scenes at Stamford Bridge during their 3-2 defeat by Manchester United yesterday.
DAILY MIRROR: Chelsea last night accused referee Mark Clattenburg of verbally abusing two of their players. Also: David Moyes continued his feud with Luis Suarez by claiming the Liverpool striker should have been sent off for a foul on Everton's Sylvain Distin.
DAILY EXPRESS: Chelsea last night accused referee Mark Clattenburg of aiming "inappropriate" comments at two of their players. Also: David Moyes continued his baiting of Liverpool striker Luis Suarez by claiming he should have been sent off before he had an injury-time goal wrongly disallowed in a contentious Merseyside derby.
DAILY STAR: Chelsea last night sensationally accused referee Mark Clattenburg of verbally abusing two of their players. Also: David Moyes' feud with Luis Suarez deepened last night after the Everton boss claimed the striker should have been sent off...Arsene Wenger has urged Roy Hodgson not to pick Jack Wilshere for England.
THE DAILY TELEGRAPH: Chelsea have accused referee Mark Clattenburg of directing inappropriate language towards two of their players during Sunday's acrimonious 3-2 defeat to Manchester United, with one complaint understood to relate to a comment of an alleged racial nature. Also: The Premier League continues to be a gripping blend of the sublime, the grubby and the surreal.
THE TIMES: Chelsea have accused Mark Clattenburg, the referee, of racially abusing John Obi Mikel during their 3-2 defeat by Manchester United yesterday. Also: Team Sky's zero-tolerance policy over doping was put under renewed scrutiny yesterday when Sean Yates, the British team's sports director, retired from the sport.
THE GUARDIAN: Chelsea have made a formal complaint to the football authorities about the referee Mark Clattenburg, whose handling of their 3-2 home defeat to Manchester United caused such controversy, alleging that he directed "inappropriate language" towards two of their players, with club officials briefing that one part of the allegation concerns language of a racist nature. Also: It was a wild and eccentric match that finished amid great controversy and, from Chelsea's point of view, a thick portfolio of grievances about the incidents that accompanied Manchester United's first league win at Stamford Bridge for a decade.
THE INDEPENDENT: As the extra stewards were deployed around the mouth of the tunnel and the home crowd focused their outrage exclusively on the man in black, Mark Clattenburg will have had that growing sense of dread that in modern football's high court of HD super slo-mo replays, he had been found guilty of error. Also: The race issue exploded again in English football last night when Chelsea made an official complaint about referee Mark Clattenburg, who is alleged to have made a comment of a racial nature to John Obi Mikel following the club's controversial defeat 3-2 to Manchester United yesterday.