Supporters of Manchester City lay a scarf at the stadium's Book of Remembrance at The Reebok Stadium in Bolton, north-west England, on March 18, 2012, the morning after Bolton Wanderers' English midfielder Fabrice Muamba collapsed during their FA cup football match against Tottenham Hotspur in London. AFP PHOTO/PAUL ELLIS
Sunderland's Fraizer Campbell, second right, and team mates wear Tshirts supporting Bolton Wanderers' Fabrice Muamba before their English Premier League soccer match against Blackburn at Ewood Park, Blackburn, England, Tuesday March 20, 2012. (AP Photo/Tim Hales) Jugadores del Sunderland FOTOS AP Y AFP
Blackburn Rovers players wear T-shirts in support of Bolton Wanderers' English midfielder Fabrice Muamba on March 20, 2012 before an English Premier League football match between against Sunderland at Ewood Park in Blackburn, northwest England. Muamba remains is in intensive care as he continues his recovery from a cardiac arrest following a collapse on March 17 during an FA Cup football match against Tottenham Hotspur. AFP PHOTO/PAUL ELLIS
RESTRICTED TO EDITORIAL USE. No use with unauthorized audio, video, data, fixture lists, club/league logos or live services. Online in-match use limited to 45 images, no video emulation. No use in betting, games or single club/league/player publications.
Jugadores de Blackburn Rovers FOTOS AP Y AFP
Bolton Wanderers' English footballers Nigel Reo-Coker, (L) Darren Pratley (C) and Mark Davies, leave the London Chest Hospital on March 20, 2012, after visiting team-mate Fabrice Muamba who suffered a cardiac arrest Saturday during a game against Tottenham. Bolton player Fabrice Muamba spent a "comfortable night" in intensive care as he continues his recovery from a cardiac arrest, doctors treating him said on Tuesday. The 23-year-old is spending his fourth day at the London Chest Hospital after collapsing on the pitch during an FA Cup quarter-final against Tottenham on Saturday. AFP PHOTO / JUSTIN TALLIS
Jugadores del Bolton Wanderers Nigel Reo-Coke, Darren Pratley y Mark Davies FOTOS AP Y AFP
Bolton Wanderers' manager Owen Coyle leaves after addressing the media outside the London Chest Hospital on March 20, 2012, after visiting player Fabrice Muamba who suffered a cardiac arrest Saturday during a game against Tottenham. Bolton player Fabrice Muamba spent a "comfortable night" in intensive care as he continues his recovery from a cardiac arrest, doctors treating him said on Tuesday. The 23-year-old is spending his fourth day at the London Chest Hospital after collapsing on the pitch during an FA Cup quarter-final against Tottenham on Saturday. AFP PHOTO / JUSTIN TALLIS
Manager del Bolton Wanderers Owen Coyle FOTOS AP Y AFP
Chelsea football club's English defender Ashley Cole (C) arrives at the London Chest Hospital on March 19, 2012 where Bolton player Fabrice Muamba is being treated after suffering a cardiac arrest during a match on March 17. Bolton Wanderers player Fabrice Muamba was said by doctors to be "showing small signs of improvement" on March 19 although he remained in an intensive care unit after his on-field cardiac arrest. AFP PHOTO / MIGUEL MEDINA
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Chelsea's Gary Cahill celebrates his goal by revealing a tribute to his former Bolton Wanderers teammate Fabrice Muamba who is criically ill in hospital, during the English FA Cup quarterfinal soccer match between Leicester City and Chelsea at Stamford Bridge stadium in London, Sunday, March 18, 2012. (AP Photo/Matt Dunham) Gary Cahill del Chelsea FOTOS AP Y AFP
A message is seen on a Manchester United shirt at the stadium's Book of Remembrance at The Reebok Stadium in Bolton, north-west England, on March 18, 2012, the morning after Bolton Wanderers' English midfielder Fabrice Muamba collapsed during their FA cup football match against Tottenham Hotspur in London. AFP PHOTO/PAUL ELLIS
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A message from Manchester United supporters is seen at the stadium's Book of Remembrance at The Reebok Stadium in Bolton, north-west England on March 18, 2012 the morning after Bolton Wanderers' English midfielder Fabrice Muamba collapsed during their FA cup football match against Tottenham Hotspur in London. Muamba remains in 'critical condition' according to the hospital. AFP PHOTO/PAUL ELLIS
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A football scarf with a message of support is left at the stadium's Book of Remembrance at The Reebok Stadium in Bolton, north-west England on March 18, 2012 the morning after Bolton Wanderers' English midfielder Fabrice Muamba collapsed during their FA cup football match against Tottenham Hotspur in London. Muamba remains in 'critical condition' according to the hospital. AFP PHOTO/PAUL ELLIS
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Football shirts and flowers are seen left outside the Reebok Stadium in Bolton, north-west England on March 18, 2012 the morning after Bolton Wanderers' English midfielder Fabrice Muamba collapsed during their FA cup football match against Tottenham Hotspur in London. The 23-year-old Kinshasa-born player was rushed to hospital after harrowing scenes towards the end of the first half at White Hart Lane on Saturday, when the midfielder slumped to the turf with no player near him. AFP PHOTO / PAUL ELLIS
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Manchester United players including Wayne Rooney, centre take part in one minute applause for Bolton Wanderers' Fabrice Muamba who suffered a cardiac arrest during his team's FA Cup match against Tottenham before their English Premier League soccer match against Wolverhampton Wanderers at Molineux Stadium, Wolverhampton, England, Sunday, March 18, 2012. (AP Photo/Jon Super) Jugadores del Manchester United FOTOS AP Y AFP
Wearing a t-shirt in support of Bolton Wanderers' English midfielder Fabrice Muamba, Blackburn Rovers' Nigerian forward Yakubu celebrates scoring during the English Premier League football match between Blackburn Rovers and Sunderland at Ewood Park in Blackburn, north-west England, on March 20, 2012. AFP PHOTO/PAUL ELLIS - RESTRICTED TO EDITORIAL USE. No use with unauthorized audio, video, data, fixture lists, club/league logos or live services. Online in-match use limited to 45 images, no video emulation. No use in betting, games or single club/league/player publications.
Jugadores del Blackburn Rovers FOTOS AP Y AFP
Tottenham Hotspur's French football player Assou Ekotto signs autographs for fans as he arrives at the London Chest Hospital on March 20, 2012, to visit Fabrice Muamba who suffered a cardiac arrest on March 17 during a game against Tottenham. Bolton player Muamba spent a "comfortable night" in intensive care as he continues his recovery from a cardiac arrest, doctors treating him said on March 20. AFP PHOTO / MIGUEL MEDINA
Assou Ekotto FOTOS AP Y AFP