MONACO, France : Benfica twice came from behind to end AS Monaco's unbeaten run in the Champions League on Wednesday, scoring two late headers to grab a thrilling 3-2 win at the French high-fliers who had Wilfried Singo sent off. Monaco's Eliesse Ben Seghir got his side off to the perfect start, breaking the deadlock in the 13th minute by ghosting into the box to rifle home Aleksandr Golovin's pullback after a superb counter-attack. Benfica took control and should have equalised in the 37th