The anticipation is building as a boisterous Ibrox awaits for Rangers and Benfica in Glasgow this evening. The pair do battle in Govan in the second leg of their Europa League last 16 tie and a place in the quarter-finals is the prize for the winner. The score is locked at 2-2 from the first leg as Rangers were twice pegged back by the Portuguese giants in Lisbon. Tom Lawrence and Dujon Sterling were the scorers but a wrongly-awarded penalty and a Connor Goldson own goal have Benfica right in this tie. Rangers have to be slight favourites going into this one because we know how important the I…