Liverpool fans react on Twitter to Andrew Robertson's performance v Atletico Madrid

Andrew Robertson of Hull in action during the Premier League match between Manchester City and Hull City at Etihad Stadium on April 8, 2017 in Manchester, England.

Liverpool new boy was a second half substitute.

Liverpool boss Jurgen Klopp has a big decision to make ahead of the Premier League season over who will start at left-back.

James Milner featured regularly last season in the position, while former Sevilla left-back Alberto Moreno staked his claim with an excellent display against Bayern Munich this week.

Last night new signing Andrew Robertson got an opportunity to show what he could do, featuring as a half-time substitute in the Audi Cup final against Atletico Madrid.

Liverpool's newly acquired Scottish defender Andy Robertson (R) vies with Hertha's defender Julius Kade during the friendly football match Hertha Berlin vs Liverpool in Berlin, Germany, on...

The game ended in a 1-1 draw, with Atletico winning on penalties.

Robertson acquitted himself well, and almost scored a winner at the end when presented with a chance in injury time.

He may not have scored it but the fact he was in the position was a demonstration of his attacking intent.

Andrew Robertson of Hull in action during the Premier League match between Manchester City and Hull City at Etihad Stadium on April 8, 2017 in Manchester, England.

The Scotland international was not the headline grabbing signing many Liverpool wanted when he joined from Hull City, but last night's display was encouraging and he could go on to win over his doubters.

Here is a look at how Liverpool fans reacted on Twitter to Andrew Robertson's performance...

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