We still have to go to Villarreal and Real Madrid.
Atletico threw players forward in the final minutes of the game but could not find the equaliser as Barcelona walked away with the three points.
Despite having scored eight goals and provided two assists in 25 league appearances this term, Messi and Suarez are said to be irritated with his lack of fitness which is proving costly to results. In La Liga this season, the duo has combined for 42 of Barcelona's 68 goals.
"Costa brings all we expected from him - ambition, hard work passion and attacking power which gives us more possibilities", he said.
Finally, in the 75 minute, Atletico managed to muster a scoring chance when Antoine Griezmann found himself in space on the edge of the box, but his fizzing shot went inches wide of the target.More news: Title defender Svitolina to face Germany's Kerber in the Dubai Open semifinals
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Barcelona remained undefeated after 27 rounds and dealt Atletico just its second defeat in the league this season. Suarez and Messi combined for five goals in Barcelona 6-1 win against Girona last weekend.
Valverde will be keen on silencing their critics and getting a comprehensive win to quell all talks of a collapse.
Diego Costa and Antoine Griezmann had been largely peripheral figures for the first 73 minutes and when the pair finally did combine, the France global blazed high and wide from outside the box.
The rest of the half was a picture of Barca dominance, interrupted only by the injured Iniesta being replaced by Andre Gomes and a handful of minor skirmishes, the most noteworthy of which saw Messi hack down Filipe Luis and earn a yellow card. Ivan Rakitic and Sergio Busquets will sit in front of the defence with Andres Iniest on the left and Coutinho on the right.
The combination play between Messi and Jordi Alba has been key to the Catalan club's play going forward and will be crucial against Atletico as well.
"We want to reach the last five games of the season with a chance".