Indianapolis Colts quarterback Andrew Luck poses for a photo while touring the Pro Football Hall of Fame, Saturday, June 30, 2012, in Canton, Ohio. (Pro Football Hall of Fame)

Cleveland Browns quarterback Brandon Weeden tours the Pro Football Hall of Fame, Saturday, June 30, 2012, in Canton, Ohio. The 2012 (Pro Football Hall of Fame)

Jacksonville Jaguars rookies pose for a photo with the Vince Lombardi trophy while touring the Pro Football Hall of Fame, Saturday, June 30, 2012, in Canton, Ohio. (Pro Football Hall of Fame)

Cincinnati Bengals cornerback Dre Kirkpatrick tours the Pro Football Hall of Fame, Saturday, June 30, 2012, in Canton, Ohio. (Pro Football Hall of Fame)

Miami Dolphins quarterback Ryan Tannehill tours the Pro Football Hall of Fame, Saturday, June 30, 2012, in Canton, Ohio. The 2012 (Pro Football Hall of Fame)

Indianapolis Colts' Andrew Luck, left, and Cleveland Browns quarterback Brandon Weeden tour the Pro Football Hall of Fame, Saturday, June 30, 2012, in Canton, Ohio. The 2012 AFC rookies toured the hall Saturday. (AP Photo/Tony Dejak)

Indianapolis Colts player development coordinator David Thornton, left, and Andrew Luck tour the Pro Football Hall of Fame Saturday, June 30, 2012, in Canton, Ohio. The 2012 AFC rookies toured the hall Saturday. (AP Photo/Tony Dejak)

Cleveland Browns running back Trent Richardson tours the Pro Football Hall of Fame, Saturday, June 30, 2012, in Canton, Ohio. The 2012 AFC rookies toured the hall Saturday. Richardson was the third overall pick in the 2012 draft. (AP Photo/Tony Dejak)

Jacksonville Jaguars players Andre Branch, left, and Justin Blackmon, center, and Houston Texans' DeVier Posey tour the Pro Football Hall of Fame Saturday, June 30, 2012, in Canton, Ohio. The 2012 AFC rookies toured the hall Saturday. (AP Photo/Tony Dejak)

Cincinnati Bengals wide receiver Marvin Jones takes a picture of a bust during a tour of the Pro Football Hall of Fame, Saturday, June 30, 2012, in Canton, Ohio. The 2012 AFC rookies toured the hall Saturday. (AP Photo/Tony Dejak)

Indianapolis Colts' Andrew Luck signs an autograph on a miniature Colts helmet during a tour of the Pro Football Hall of Fame Saturday, June 30, 2012, in Canton, Ohio. The 2012 AFC rookies toured the hall Saturday. (AP Photo/Tony Dejak)

Washington Redskins quarterback Robert Griffin III tours the Pro Football Hall of Fame, Wednesday, June 27, 2012, in Canton, Ohio. The 2012 NFC rookies toured the hall Wednesday. (AP Photo/Tony Dejak)

Washington Redskins quarterback Robert Griffin III poses with statues during a tour the Pro Football Hall of Fame Wednesday, June 27, 2012, in Canton, Ohio. The 2012 NFC rookies toured the hall Wednesday. (AP Photo/Tony Dejak)

Washington Redskins quarterback Robert Griffin III looks at a display case as he tours the Pro Football Hall of Fame Wednesday, June 27, 2012, in Canton, Ohio. The 2012 NFC rookies toured the hall Wednesday. (AP Photo/Tony Dejak)

2012 NFC rookies try to get a better look as the tour the Pro Football Hall of Fame Wednesday, June 27, 2012, in Canton, Ohio. The 2012 NFC rookies toured the hall Wednesday. (AP Photo/Tony Dejak)

Minnesota Vikings offensive tackle Matt Kalil tours the Pro Football Hall of Fame Wednesday, June 27, 2012, in Canton, Ohio. The 2012 NFC rookies toured the hall Wednesday. (AP Photo/Tony Dejak)

Washington Redskins quarterback Robert Griffin III tours the Pro Football Hall of Fame, Wednesday, June 27, 2012, in Canton, Ohio. The 2012 NFC rookies toured the hall Wednesday. (AP Photo/Tony Dejak)

Dallas Cowboys cornerback Morris Claiborne tours the Pro Football Hall of Fame Wednesday, June 27, 2012, in Canton, Ohio. The 2012 NFC rookies toured the hall Wednesday. (AP Photo/Tony Dejak)

Washington Redskins' Adam Gettis, left, and Robert Griffin III, right, tour the Pro Football Hall of Fame Wednesday, June 27, 2012, in Canton, Ohio. The 2012 NFC rookies toured the hall Wednesday. (AP Photo/Tony Dejak)

Detroit Lions cornerback Dwight Bentley poses with busts as he tours the Pro Football Hall of Fame, Wednesday, June 27, 2012, in Canton, Ohio. The 2012 NFC rookies toured the hall Wednesday. (AP Photo/Tony Dejak)

Washington Redskins quarterback Robert Griffin III takes a picture of the O.J. Simpson bust during a tour the Pro Football Hall of Fame Wednesday, June 27, 2012, in Canton, Ohio. The 2012 NFC rookies toured the hall Wednesday. (AP Photo/Tony Dejak)

St. Louis Rams offensive tackle Rokevious Watkins looks at the Jim Thorpe exhibit as he tours the Pro Football Hall of Fame Wednesday, June 27, 2012, in Canton, Ohio. The 2012 NFC rookies toured the hall Wednesday. (AP Photo/Tony Dejak)