Lisbon, March 6 -- Raphinha scored the only goal as FC Barcelona played for 70 minutes with a player less to win 1-0 at Benfica in the first leg of its Champions League last-16 tie after being under pressure for virtually the entire 90 minutes.

The game started brightly with Kerem Akturkoglu seeing his first-minute shot saved by Barca goalkeeper Wojciech Szczesny, before Nicolas Otamendi had a shot blocked as Benfica started brightly.

At the other end, Dani Olmo fired just wide, before Barca was reduced to 10 men after just 22 minutes when Pau Cubarsi was sent off for bringing down Vangelis Pavlidis when he was the last defender.

Szczesny saved Orkun Kokcu's free kick, while Barca coach Hansi Flick replaced Olmo with defender Ronald A...