Pep Guardiola signs one-year contract extension at Barcelona . Barca have won back-to-back Spanish titles . TL;DR Lionel Messi scored a hat-trick as Argentina beat Chile 5-0 in the Copa America final on Sunday to win their first title since 1990. ( CNN ) -- New deal takes Guardiola through until end of June 2011 .
Pep Guardiola signs one-year contract extension at Barcelona . Barca have won back-to-back Spanish titles . TL;DR Lionel Messi scored a hat-trick as Argentina beat Chile 5-0 in the Copa America final on Sunday to win their first title since 1990. New deal takes Guardiola through until end of June 2011 .