REACTION TO MUAMBA COLLAPSE.

Bolton Wanderers midfielder Fabrice Muamba was critically ill in hospital after collapsing on the pitch during the FA Cup quarterfinal at Tottenham Hotspur on Saturday.

Players, clubs and fans showed their support for Muamba on Twitter.

Tottenham manager Harry Redknapp:
"Praying for Fabrice Muamba. A very very sad day. Hope the young lad pulls through."

Arsenal captain Robin van Persie:
"I'm so sad about what happened to Fabrice Muamba today. Played with him 4 a couple of years. What a great guy. Always a smile on his face."

Former Bolton goalkeeper Ali Al-Habsi:
"All our hearts with Fabrice Muamba, one of my closest friends at Bolton.. Im shocked, wishing him a fast recovery."

Juventus midfielder Andrea Pirlo dedicated his side's 5-0 win over Fiorentina to Muamba:
"He's our colleague, we pray he gets well soon."

Barcelona midfielder and former Arsenal captain Cesc Fabregas:
"My thoughts are with Fabrice and his family. Stay strong mate. Our prayers are with you."

Manchester United and England striker Wayne Rooney:
"Hope Fabrice Muamba is ok. Praying for him and his family. Still in shock."

Tottenham defender Kyle Walker, who scored in the match against Bolton to make it 1-1:
"Doesn't matter who you support..Doesn't matter if you aren't a football fan. Doesn't matter if you aren't religious..Pray for Fabrice Muamba."

Manchester City captain Vincent Kompany:
"Critically ill and intensive care" I really hope that this nightmare will be soon over and I wish for Fabrice Muamba to recover fully."

Former Chelsea and Germany midfielder Michael Ballack:
"We want to send our prayers to Fabrice Muamba, his family, his friends and all at Bolton Wanderers."