Barcelona take on one of the two sides to have defeated them in La Liga this season when Leganes make the trip to Camp Nou on Sunday.
The champions suffered a shock 2-1 loss in November's reverse meeting but have since recovered to open up a five-point lead at the summit.
Ernesto Valverde fielded a mixed XI for the midweek Copa del Rey tie against Levante with his side trailing 2-1 from the first leg, but all the big hitters are expected to be restored this weekend.
Here, Sports Mole looks at how Barca could line up.
Out: Rafinha, Samuel Umtiti
Doubtful: Thomas Vermaelen, Sergi Samper
Ousmane Dembele netted twice for Barcelona in their 3-0 win over Levante on Thursday evening, which may well be enough to earn him a place on the left-hand side of Valverde's front three alongside Lionel Messi and the returning Luis Suarez, who made an appearance from the bench last time out.
The likes of Sergio Busquets and Gerard Pique were given the night off, meanwhile, and they will be restored for this visit of Leganes.
Assuming Busquets slots into central midfield alongside Ivan Rakitic, it is then a straight shootout between Arturo Vidal and Arthur for the one remaining spot, with the latter being the preferred choice of Valverde.
Sergi Roberto is another who was left out from the start against Levante, but Valverde looks likely to continue his rotation policy by overlooking Nelson Semedo for selection here.