The former Valencia man opened the scoring at the Estadio de Mendizorroza in what was only his fourth start of the season after eight months out injured with a fractured tibia.
Villa is desperate for more playing time in the Primera Division and could be in line to face
"After all this time I want to play as much as possible, but I am in the hands of professionals and they know what's best for me," he said.
"I'm at the best club in the world, where there is competition to start in every game."
Barca's arch-rival Real Madrid, which finds itself eight points behind the leader, has five first-team players out due to injury or suspension for the visit of Real Zaragoza.
Xabi Alonso is banned after seeing his fifth yellow card of the season in the 5-0 win over Mallorca last time out, while
Zaragoza will be without
Atletico Madrid is second to Barcelona on goal difference and will have a fresh squad ahead of its crunch clash with Valencia, with many first-team players rested for the midweek cup triumph over Real Jaen.
"I think we are looking to have fresh players and at the moment we are managing it in this manner," said boss
"The principal point is that the players have successfully responded to the expectations and needs of the club.
"The congratulations are for them because they have given a very good response in all competitions."
Los Che is 14 points behind its opponent and veteran midfielder
"When you analyse this you can see there are new methods, a new coach and a new squad," he told Punto Radio.
"There needs to be a process of adaptation and we can't just believe in the theory that we have a base as in previous years.
"That's where the inconsistency is shown because you can see there is the potential to do good things, but there are also days when things can go wrong."
Third-placed Malaga will be without Nacho Monreal and Jeremy Toulalan for the match against Rayo Vallecano but
Real Sociedad continues to hold the edge in the battle for a top-four finish in the Primera Division after a 2-1 victory at Sevilla.