Barcelona forward Lionel Messi scores eighth hat-trick of season as Argentine becomes club's all-time record scorer Barcelona 5 Atlético Madrid 0 La Liga: Nou Camp Sept 24, 2011 A week later Atleti were the next team to suffer as Messi rattled in another three. Barcelona 5 Mallorca 0 La Liga: Nou Camp Oct 29, 2011 When Mallorca visited the Catalan capital in late October the Argentine had not scored a hat-trick for over a month. The were duly dispatched. Viktoria Plzen 0 Barcelona 4 Champions League: Synot Tip Arena Nov 1, 2011 Three days later the European champions travelled to Czech Republic champions Viktoria Plzen where Messi showed Champions League debutants how it was done. Malaga 1 Barcelona 4 La Liga: La Rosaleda Jan 22, 2012 Barcelona 5 Valencia 1 La Liga: Nou Camp Feb 19, 2012 Barcelona 7 Bayer Leverkusen 1 Champions League: Nou Camp March 7, 2012 Barcelona 5 Granada 3 La Liga: Nou Camp March 20, 2012