As Barca coach, Guardiola presided over an unprecedented treble in his first season in charge, winning the European Champions League, La Liga and the Spanish Cup, having been promoted from his role as coach of the Catalan club's reserve side in May 2008.

CNN: January 16, 2013 -- Updated 1558 GMT (2358 HKT)

Messi, in outstanding form for reigning Spanish and European champions with successive La Liga hat-tricks, boosted his earnings through bonuses as Barcelona did the treble last year under Pep Guardiola.

CNN: Messi tops Beckham in football rich list