The Welsh winger stepped up in the absence of Cristiano Ronaldo in the 4-0 win at Real Sociedad, while the Argentine netted twice in the 3-1 victory over Betis
With six fixtures remaining, three teams can win La Liga, with Atletico, Barcelona and Real Madrid all still in contention for the title.
The table-topping Rojiblancos edged out Villarreal in a hard-fought 1-0 win on Saturday, while the second-placed Blaugrana beat Betis 3-1. Madrid, meanwhile, thrashed Real Sociedad 4-0 at Anoeta to keep their hopes alive.
Elsewehere, there were wins for Osasuna, Rayo Vallecano, Malaga, Elche, Sevilla and Athletic Bilbao in the 32nd round of the Primera Division. Here, Goal picks out the standout performers from the weekend action.
In goal, Willy Caballero was in fine form for Malaga as the Andalusians beat Granada 4-1.
As for the back four, Alberto Moreno shone for Sevilla as Unai Emery's side overcame Espanyol by the same scoreline, both Pepe and Dani Carvajal impressed in keeping a clean sheet for Madrid in San Sebastian, while Diego Godin was a rock for Atletico in their victory over Villarreal.
Stephane M'Bia set Sevilla on their way with the opening goal against Espanyol and produced a fine all-round performance, Ignacio Camacho scored the first two for Malaga against Granada and Gareth Bale was superb on the left for Madrid in the absence of Cristiano Ronaldo, netting a lovely strike to double Los Blancos' lead at Anoeta.
In attack, Lionel Messi was on target twice (once with a penalty, the second time with a missed spot-kick that he converted at the second attempt), while Aritz Aduriz netted a double of his own to fire Athletic to victory over Levante. Kevin Gameiro completes our attacking triumivrate courtesy of his double for Sevilla.