Gasol averaged 19.0 points last season while ranking ninth in the NBA in field-goal percentage (.510), 12th with 8.8 rebounds, and 14th with 1.8 blocks per game. The 23-year-old Spaniard has not missed a game in his two-year career.
"This organization has shown from the beginning that they believe in me, and I am looking forward to being a part of an organization dedicated to winning," Gasol said.
He won Rookie of the Year honors following the 2001-02 season, when he averaged 17.6 points, 8.9 rebounds, 2.06 blocks and 2.7 assists.
Like Gasol, Battier was a member of the NBA's All-Rookie First Team in 2002. He slumped last season with averages of 9.7 points, 4.4 rebounds, 1.3 assists, and 1.3 steals in 78 games.