Philadephia Eagles' Donovan McNabb (5) and Carolina Panthers' Ryan Kalil (67) look on during NFC NFL football practice at the Pro Bowl on Wednesday, Jan. 27, 2010, in Fort Lauderdale, Fla.(AP Photo/J Pat Carter)

Carolina Panthers running back DeAngelo Williams (34), running back Tyrell Sutton, behind, and center Ryan Kalil (67) celebrate after DeAngelo's touchdown against the New Orleans Saints in the first half of an NFL football game in New Orleans, Sunday ...

USC center Ryan Kalil celebrates during 44-24 victory over Notre Dame at the Los Angeles Memorial Coliseum in Los Angeles, Calif. on Saturday, November 25, 2006

USC receiver Steve Smith (2) celebrates with Ryan Kalil after scoring on a 7-yard touchdown pass in the fourth quarter of 32-18 victory over Michigan in the Rose Bowl in Pasadena, Calif. on Monday, January 1, 2007