Barcelona's goals were scored by a triplet of Lionel Messi (Hat trick, 44 ', 62', 73 '), Pedro (76') and Keita (83 ').
Barcelona vs Betis 1-0: Messi 1st Goal
Barcelona vs Betis 2-0: Messi 2nd Goal
Barcelona vs Betis 3-0: Messi 3rd Goal
Barcelona vs Betis 4-0: Pedro Goal
Barcelona vs Betis 5-0: Keita Goal