By Jamie Spencer Arsenal have work to do if they are to reach the Champions League quarter-finals for the first time in 14 years after falling to a stoppage time winner against Porto in their last 16 first leg. Porto winger Galeno scored a stunning strike from distance with virtually the last kick of the game to decide a contest that never really got going over the course of the preceding 93 minutes. It leaves Arsenal with a 1-0 aggregate deficit to overturn at the Emirates Stadium next month. How the game unfoldedAfter a nervy opening five minutes, Arsenal soon dominated the ball, yet Porto’s…
