Barcelona reclaims Spanish league lead with four-1 win at home to Rayo Vallecano . Lionel Messi sets record for hat-tricks by a Spanish club player . His treble moves him level with Cristiano Ronaldo as La Liga 's top scorer . Luis Suarez scores twice , with Gerard Pique adding Barca 's other goal .
Barcelona reclaims Spanish league lead with 6-1 win at home to Rayo Vallecano . Lionel Messi sets record for hat-tricks by a Spanish club player . His treble moves him level with Cristiano Ronaldo as La Liga 's top scorer . Luis Suarez scores twice , with Gerard Pique adding Barca 's other goal .