Liverpool boss Jurgen Klopp is reportedly considering drafting in a back-up left-back to deputise for Andy Robertson, but he may not need to if Yasser Larouci can prove he is up to the job.Scotland captain Robertson has easily staked his claim as the best left-back in the Premier League in recent seasons.But following the departure of Alberto Moreno last summer, the 26-year-old is the only player Jurgen Klopp has as a natural on the left side of the defence.Robertson was an ever-present in the Premier League and Champions League until just before the coronavirus postponements, with utility man James Milner filling in in his absence.The Reds have noticed the gap in their squad though, with The Athletic reporting that it has been discussed by.