FILE - In this March 17, 2012 file photo, Bolton Wanderers' Fabrice Muamba is obscured by medical staff trying to resuscitate him after collapsing as his teammates, from left, Darren Pratley, Ryo ... more 
FILE - In this March 17, 2012 file photo, Bolton Wanderers' Fabrice Muamba is obscured by medical staff trying to resuscitate him after collapsing as his teammates, from left, Darren Pratley, Ryo Miyaichi and Dedryck Boyata react during the English FA Cup quarterfinal soccer match between Tottenham Hotspur and Bolton Wanderers at White Hart Lane stadium in London. Bolton said Wednesday, Aug. 15, 2012 that Fabrice Muamba has retired after suffering a cardiac arrest during a game on March 17, 2012. (AP Photo/Matt Dunham, File) less 
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Associated Press | Photo By Matt Dunham, File
Thu, Aug 16, 2012 6:06 AM EDT