I wouldn't chance Morgan unless he's 100% fit. Too many games upcoming, and a few days off beats any possibility of missing him for a month or more if he aggravates something.
Same back four as usual, Cork in for either Morgan/Wanyama dependent on whether Morgan is fit, Davis/Lallana/Rodriguez/Lambert as the attacking quartet. Not a slight against JWP in dropping him to the bench; we're going to have to rotate a bit with the sheer number of games, and Davis does a good job of marshaling possession when the game gets stretched, which is a distinct possibility given Villa's love of the counter-attack and intermittent defensive frailties.