Lionel Messi put in an assured performance as Barcelona defeated Eibar 4 - 0 away to maintain a title push.
The Argentine, Luis Suarez and Neymar were all on target as Barcelona shrugged off the loss of the injured Sergio Busquets on Sunday.
Sevilla separate the Catalans in second, just a point behind Madrid, after twice coming from behind to edge a seven-goal thriller 4-3 at rock-bottom Osasuna.
Just eight minutes into Barca’s visit to the Basque Country, Busquets had to be carried off with ankle ligament damage after a dangerous challenge from Gonzalo Escalante that went unpunished.
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Denis Suarez replaced Busquets and drilled home his first Barca goal into the far corner from outside the box on the half hour mark after some good footwork by Messi.
Messi continued his fine form in the match and at one point looked to be playing a dual role as a third attacker and a midfielder as he carried the ball with ease past Eibar's midfielders.
Neymar missed a one-on-one and Luis Suarez first hit the post then fired wide when scoring looked easy after both were set up by Messi
Messi doubled their lead just six minutes into the second-half when he swept home Luis Suarez’s cross for his 28th goal in 26 games this season.
And Luis Suarez matched his strike partner as La Liga’s top scorer this season with 15 when he robbed Florian Lejeune before slotting home at the near post 22 minutes from time.
Neymar hadn’t scored from open play since October, but brought that run to an end by slotting home Aleix Vidal’s low cross in stoppage time.