Porto sweating Vincent Aboubakar's fitness for Liverpool

Porto's high-scoring attack could be missing its biggest weapon for Wednesday's match against Liverpool in the last 16 of the Champions League.Cameroon forward Vincent Aboubakar didn't practice with the rest of the squad on Tuesday because of a lingering muscle injury and remains doubtful for the first leg at Estadio do Dragao.He hasn't played in the last two matches for the Portuguese league l...