European champions Barcelona hope to tie Argentina star Lionel Messi to a lucrative new contract. The 22-year-old forward is tipped to win the European and World Player of the Year awards after scoring 38 goals to help the Spanish club to an unprecedented hat-trick of titles last season. “Barca will always do whatever is necessary to keep Messi happy at the club and we know that Messi has a complete commitment to Barca,” president Joan Laporta told the team’s official Web site