Aston Villa captain Stilyian Petrov, who is battling acute leukaemia, announced on Thursday he was retiring from football.

Spartak Moscow, who travel to Glasgow next week to take on Celtic in the Champions League, had two players sent off in their 4-2 defeat to reigning Russian champions Zenit St Petersburg on Friday.

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Celtic sent shockwaves around Europe as they produced a stunning 2-1 Group G win over Barcelona at Parkhead on Wednesday to end the Catalan giants' 100 per cent record in this season's competition.

Neil Lennon said Celtic are in a great position to qualify for the last 16 of the Champions League after his injury-ravaged side produced a shock 2-1 defeat of Group G favourites Barcelona at Parkhead

Celtic host Barcelona in a glamour Champions League tie at Park head on Wednesday with both sides carrying lengthy injury lists.

Barcelona could seal their spot in the last-16 of the competition if t

Barcelona and fellow former Champions League winners Manchester United had to draw on all their class on Tuesday to come from behind and claim home wins against Celtic and Braga respectively.

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