BARCELONA, Spain (AP) Barcelona needed an overzealous tackle by an inexperienced Villarreal opponent to help keep its five-point lead at the top of the Spanish league on Sunday.
Barcelona was struggling to break down Villarreal until 22-year-old Daniel Rabaseda earned a direct red card for a studs-first tackle into the ankle of Sergio Busquets.
Lionel Messi and Luis Suarez took full advantage of the holes that opened up in the hosts' defense, scoring twice to give Barcelona a 2-0 win away from home that kept it five points ahead of second-place Valencia.
''We were in control and the sending-off completely changed the match,'' Villarreal coach Javier Calleja said. ''He tried to go for the ball and arrived late. It was a foul, but I don't think it was a red. It is easier to send off young players.''
Suarez finished off a quick passing combination, involving himself, Messi and substitute Paco Alcacer, by rounding goalkeeper Sergio Asenjo and tapping the ball home in the 72nd minute.
Messi then sealed the win with seven minutes to play when Busquets intercepted the ball near Villarreal's area and passed for the Argentina forward to speed between two defenders and fire past Asenjo.
The goal took Messi's league-leading tally to 14 for the season.
Apart from Gerard Pique's header off the post early on, Villarreal had kept Barcelona in check until Rabaseda's rash tackle with half an hour remaining.
Barcelona pressed the outnumbered Villarreal into its area and attacked repeatedly through left back Jordi Alba. Suarez sent a pass by Alba off the post minutes before he finally broke the deadlock.
Villarreal was the more dangerous team in the first half. Only a reflex save by Marc-Andre ter Stegen kept out Roberto Soriano's bouncing volley in the 16th.
Ernesto Valverde's side remained undefeated through 15 rounds. The win also ended Barcelona's run of two consecutive draws at Valencia and against Celta Vigo that had let rivals chip into its lead.
Barcelona remained six points ahead of third-place Atletico Madrid, and eight ahead of defending champions Real Madrid. Both Valencia and Madrid won on Saturday.
''The victories by our rivals spurred us on,'' Valverde said.
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CLASSIC ATLETICO
Atletico's 1-0 win at Real Betis was its third straight league victory as it focuses on the domestic title chase after its group-stage exit from the Champions League.
The victory played out in classic fashion for the team that Diego Simeone has long forged into one of Europe's toughest sides to crack.
The idea was simple: an ironclad defense that only got tighter after midfielder Saul Niguez secured the lead.
And with that proving enough to get the three points, Simeone won't be worried by his side only managing 26 percent possession.
''They were causing us trouble but we fortified our defense after the goal,'' Simeone said. ''In the second half it was more of the same. There was a team that had the ball and wanted to do damage but ran into a very strong defense.''
A well-orchestrated counterattack tilted the contest in their favor, with Niguez sliding at the far post to push in Sime Vrsaljko's cross just before the half-hour mark.
Betis tried to respond, but goalkeeper Jan Oblak denied the best chance to level when he stretched to tip Cristian Tello's powerful strike over the bar.
Atletico and Barcelona have conceded a league-low seven goals this season. Atletico, unbeaten in the league, has been particularly stingy over the past month, conceding just one goal in its last five league matches.
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OWN-GOALS GALORE
Athletic Bilbao beat Levante 2-1 with both teams scoring own-goals.
An own-goal by Bilbao defender Aymeric Laporte in the 73rd canceled out the early penalty scored by teammate Aritz Aduriz.
But Bilbao was gifted the win in Valencia when Sergio Postigo turned a cross into his net six minutes later.
Bilbao ended its streak of six rounds without a victory as it moved away from the relegation zone.
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FIRST AWAY WIN
Malaga beat Real Sociedad 2-0 for its first win on the road after losing its first seven away matches.
The victory lifted Malaga out of last place and pushed Las Palmas to the bottom.
