Liverpool sit top of the Premier League with the Reds facing one of their biggest tests of the season on Sunday away to Arsenal. The Gunners lost valuable ground in the title race on the weekend with Mikel Arteta’s side losing 2-0 to AFC Bournemouth as William Saliba was sent off, making the French international unavailable to face Liverpool at the Emirates Stadium. Another player who could be out for Arsenal is Bukayo Saka, who was injured in the recent international break for England with the 23-year-old missing the trip to the Vitality Stadium and last night’s UEFA Champions League win agai…