Martin Keown has lauded Liverpool’s Joe Gomez as an ‘exceptional’ player and feels the defender is back to his best this season. The Arsenal legend was speaking before Liverpool’s 2-0 win at the Emirates Stadium on Sunday afternoon. Jurgen Klopp’s side recovered from a lacklustre first-half display to pick up a brilliant win at Arsenal today. It’s fair to say that many Liverpool players weren’t at the races in the opening period, with Arsenal proving to be wasteful in front of goal once again. Joe Gomez started at left-back in the absence of both Konstantinos Tsimikas and Andy Robertson. The 2…