Liverpool fans at Wembley are currently undergoing the singular psychological anguish of watching Luis Suarez play for Barcelona, but their deep anguish has been greatly eased by the fact that their side currently lead Barcelona in a pre-season friendly at Wembley.
The goal will be seen as further proof that Klopp is beginning to mould Liverpool in the fashion of his Dortmund side, with the goal encompassing and exhibiting many of the principles he seeks to instill in his teams: high-pressing followed by a mass counter-attack, ending in numbers committing to the opposition penalty area.
While Mane applied the finish, it was Adam Lallana who starred: winning the ball and nutmegging a defender to set up Mane's finish.
It came after 15 minutes, and you can see the goal below:
Barca have picked a strong starting line-up, featuring Messi, Suarez, Munir, Busquets, Mascherano and Arda Turan. While this offers positives for Liverpool fans, there are a few worries.
Liverpool kick off against Arsenal next weekend, but have some injury concerns: James Milner has been subbed off in this game, and Daniel Sturridge is expected to miss the beginning of the season with a hip injury.