World Sport reporter Zayn Nabbi describes the scene inside the stadium as paramedics tried to revive Muamba.
An injury time penalty from Mario Balotelli secured a dramatic 3-2 win for Manchester City as they staved off a brave fight back from Tottenham to maintain their three point lead at the top of the English Premier League.
Bulgarian striker Dimitar Berbatov scored a hat-trick as Manchester United thrashed 10-man Wigan Athletic 5-0 at Old Trafford to draw level with rivals Manchester City at the top of the English Premier League.
Xavi Hernandez scored the only goal of the game with a thunderous free kick as Barcelona beat nine-man Granada Tuesday to return to the top of La Liga.
We've got plenty of time to go until the transfer window shuts, and plenty of big names have been circulating in the rumor mill. Expect a fair number of the following to pitch up elsewhere next season.
A look at the teams in Group B and their projected order of finsh:
Tactical observations from Champions League action this week:
"Talent contest." Normally, it's one of television's biggest lies. Whispers suggest that most of the time, the producers have already decided who is going to win. And as for talent -- real talent -- sadly, it's often conspicuous by its absence. But this time was different. This time was an exception, even if it took a while for us to realize as much; even if it was not until his fifth club and his sixth season that it became apparent just how talented he is.
Tackling has moved to the top of the Premier League agenda this week after Fulham's Bobby Zamora suffered a broken leg against Wolves and Arsenal substitute Abou Diaby had to be substituted himself, 13 minutes after coming on, thanks to a Paul Robinson challenge aimed at the ankle he dislocated four years ago.