Barcelona were at their awesome best as they returned to the top of the table on Saturday.
Elsewhere, Real Zaragoza gave their survival bid a welcome boost with victory over fellow strugglers.
Barcelona are now three points clear of Real Madrid, who play on Sunday, after they eased past Athletic Bilbao 4-1 at Camp Nou.
Pep Guardiola's side needed 27 minutes to break the deadlock on their latest outing, but did not look back once they had their noses in front.
Jeffren opened the scoring, firing home following an Eric Abidal cross, and Bojan Krkic doubled Barca's lead five minutes before the interval.
The young striker then bagged his second of the game shortly before the hour mark and Lionel Messi added gloss to a comprehensive victory on 68 minutes.
Markel Susaeta did grab a consolation for Bilbao 13 minutes from time, but the visitors slunk away from Catalunya with their tail firmly wedged between their legs.
Sevilla clambered back into the UEFA Champions League places with a 3-0 victory over Tenerife, bringing to an end a six-match winless run.
Frederic Kanoute put them on their way to a much-needed success after 22 minutes and Luis Fabiano doubled their lead shortly before half-time.
Fernandez Jose Carlos stepped off the bench to make sure of the win, firing home a spectacular free-kick on 87 minutes.
The defeat leaves Tenerife languishing in the bottom three, six points adrift of safety.
Real Zaragoza have opened up a seven-point cushion on the Primera Liga drop zone after seeing off Malaga 2-0.
Leonardo Ponzio put them in front on the stroke of half-time, before Humberto Suazo wrapped up the points 14 minutes from the end.
While Zaragoza are now heading in the right direction, Malaga have suffered five defeats in seven outings and are looking anxiously over their shoulder.
a.top_betting_link_1 {background-image: url('/Images/Skysports/Icons/skybet_logo.png');background-repeat:no-repeat;background-position:0% 50%;padding-left:68px;}Primera Liga round-up
