Liverpool travel to the Emirates Stadium to take on Arsenal on Sunday in what promises to be Arne Slot’s toughest test since replacing Jurgen Klopp at the helm. The Dutchman has had answers to pretty much everything that’s been thrown his way so far and has spearheaded Liverpool to 11 wins out of 12 in all competitions. While the Reds are flying high, Arsenal aren’t having the best time on and off the pitch as they find themselves four adrift in the Premier League table. To make matters worse, they have a handful of injury issues to deal with before the game on Sunday. And Paul Merson feels hi…