A few years ago, when Liverpool won the Champions League, Jurgen Klopp’s side could look to full-backs Trent Alexander-Arnold and Andy Robertson with confidence that they would produce match-winning performances. Goals, assists, and corners taken quickly. To possess the two best full-backs in the world was a game-changer.

The Champions League has reached the semi-final, with Arsenal, PSG, Inter Milan, and Barcelona the only teams left. Opta's supercomputer has predicted the winner.