A quick-fire brace from Lionel Messi in the first half left the Reds with a mountain to climb before Philippe Coutinho curled in a stunner after the break.
Speaking to BT Sport, and in his press conference after the game, the boss reflected on missed chances in the early exchanges of the game, the power of Barca's Argentinian playmaker and turned his attention to Sunday's return to domestic action against Everton.
OUR ATTITUDE WAS RIGHT
“We did well to get here and we could see the difference between the two teams. The quality of finishing was outstanding.