By Mark Jones Chelsea were denied the chance to pick Nicolas Jackson for their trip to Liverpool on Wednesday night despite initially making plans for the forward’s return from the Africa Cup of Nations. Jackson’s Senegal were knocked out by hosts Ivory Coast on penalties on Monday, and the Blues made plans to fly the forward straight back to Manchester in order for him to be named in the squad for Anfield. But Chelsea were left frustrated when Senegal coach Aliou Cisse ordered the squad to return to Dakar together before then going on to report for their clubs, forcing Jackson to change his p…