What a great result for Klopp and Liverpool! Barcelona were decidedly second best and the Reds will take great confidence into their Premier League opener against Arsenal next week. They were exceptional in every way!
FULL-TIME: Liverpool 4-0 Barcelona
GOOOOOOOOOOOOOOOOOOOOOOOOOOOAL! Liverpool 4 (92 mins - Grujic) Barcelona 0. What a magnificent way to end things! Lallana plays a wonderful little chipped pass for Grujic to send a looping header over Bravo and into the far corner. Great goal!
That could be a real concern for Liverpool. Lovren seems to have pulled something and the defender has walked off the pitch without Klopp making a change. No need to take chances.
Two minutes of stoppage time to be played at the end of the second half.
What is it with the top knots at Liverpool this summer? Both Moreno and Firmino have them ahead of the new season. Did one copy the other? Are they going for the Zlatan look?
Origi has impressed since he came on. The Belgian wasn't given a chance under Brendan Rodgers, but Klopp seems to have taken a shine to the young attacker.
Rakitic whips a freekick into the penalty area, but the Liverpool defenders were alert to the danger and clear the ball behind for a corner kick. Barcelona have had no joy in the attacking third.
Klopp is crouched down on his haunches, watching his Liverpool side play out the final five minutes of this match. This is still a chance for the fringe players to impress him.
Of course, Klopp is still constructing his squad, with players also sure to leave the club before the end of the summer transfer window, but you can see what he's trying to do now.
This game died a long time ago - after Liverpool scored their third of the night - but Liverpool couldn't be happier with the way they have played. This has set down a marker for them.
Liverpool have made a number of changes but they are still doing a good job of pressing the Barcelona centre backs. It means they often have to just lump it long!
Markovic faces a big season at Liverpool. He was loaned out last season, but he's someone who could be of some use to Klopp. Will he get a chance at the club this term?
Messi has also been brought off by Enrique for the final 10 minutes or so of this match. The Argentine playmaker didn't have his best game, but then he hardly got any service all night.
Barcelona sub: Luis Suarez OFF, Rafa Mujica ON.
Barcelona have a little longer before their league season starts, but they do have Super Copa games against Sevilla to play and Enrique will be concerned with this performance.