Indianapolis Colts quarterback Andrew Luck looks to pass during the first half of an NFL preseason football game against the Washington Redskins on Saturday, Aug. 25, 2012, in Landover, Md. (AP Photo/Richard Lipski)

Washington Redskins quarterback Robert Griffin III warms up for the Redskins' NFL preseason football game against the Indianapolis Colts on Saturday, Aug. 25, 2012, in Landover, Md. (AP Photo/Nick Wass)

Indianapolis Colts quarterback Andrew Luck warms up for the Colts' NFL preseason football game against the Washington Redskins on Saturday, Aug. 25, 2012, in Landover, Md. (AP Photo/Alex Brandon)

Indianapolis Colts quarterback Andrew Luck throws as he warms up before an NFL preseason football game against the Washington Redskins on Saturday, Aug. 25, 2012, in Landover, Md. (AP Photo/Alex Brandon)

Fans clamor for an autograph from Washington Redskins quarterback Robert Griffin III before the Redskins' NFL preseason football game with the Indianapolis Colts Saturday, Aug. 25, 2012, in Landover, Md. (AP Photo/Nick Wass)

Washington Redskins quarterback Robert Griffin III warms up before the Redskins' NFL preseason football game against the Indianapolis Colts on Saturday, Aug. 25, 2012, in Landover, Md. (AP Photo/Nick Wass)

Washington Redskins quarterback Robert Griffin III throws as he warms up for the Redskins' NFL preseason football game with the Indianapolis Colts on Saturday, Aug. 25, 2012, in Landover, Md. (AP Photo/Nick Wass)

Washington Redskins quarterback Robert Griffin III runs with the ball as is pursued by Indianapolis Colts defensive tackle Drake Nevis during the first half of an NFL preseason football game Saturday, Aug. 25, 2012, in Landover, Md. (AP Photo/Nick Wass)

Washington Redskins quarterback Robert Griffin III throws a pass during an NFL preseason football game against the Indianapolis Colts on Saturday, Aug. 25, 2012, in Landover, Md. (AP Photo/Alex Brandon)

Indianapolis Colts quarterback Andrew Luck throws a pass as he is hit by Washington Redskins defensive end Stephen Bowen during the first half of an NFL preseason football game Saturday, Aug. 25, 2012, in Landover, Md. (AP Photo/Richard Lipski)

Indianapolis Colts coach Chuck Pagano, center left, talk with referee Jerry Hughes, right, during the first half of an NFL preseason football game against the Washington Redskins on Saturday, Aug. 25, 2012, in Landover, Md. (AP Photo/Richard Lipski)

Indianapolis Colts quarterback Andrew Luck is sacked by Washington Redskins defensive end Stephen Bowen during the first half of an NFL preseason football game Saturday, Aug. 25, 2012, in Landover, Md. (AP Photo/Nick Wass)

Washington Redskins quarterback Robert Griffin III scrambles away from Indianapolis Colts linebacker Kavell Conner (53) during the first half of an NFL preseason football game Saturday, Aug. 25, 2012, in Landover, Md. (AP Photo/Nick Wass)

Washington Redskins wide receiver Joshua Morgan catches a pass as he is hit by Indianapolis Colts defensive back D.J. Johnson during the first half of an NFL preseason football game Saturday, Aug. 25, 2012, in Landover, Md. (AP Photo/Nick Wass)

Washington Redskins quarterback Robert Griffin III celebrates after a Redskins touchdown during the first half of an NFL preseason football game against the Indianapolis Colts on Saturday, Aug. 25, 2012, in Landover, Md. (AP Photo/Nick Wass)

Washington Redskins running back Alfred Morris (46) celebrates with quarterback Robert Griffin III (10) after Morris' touchdown during the first half of an NFL preseason football game against the Indianapolis Colts on Saturday, Aug. 25, 2012, in Landover, Md. (AP Photo/Nick Wass)

Indianapolis Colts quarterback Andrew Luck passes as he is pressured by Washington Redskins cornerback DeAngelo Hall during the first half of an NFL preseason football game Saturday, Aug. 25, 2012, in Landover, Md. (AP Photo/Richard Lipski)

Indianapolis Colts defensive back D.J. Johnson (43) jumps over Washington Redskins wide receiver Pierre Garcon (88), who was hit by defensive back Cassius Vaughn (20) during the first half of an NFL preseason football game Saturday, Aug. 25, 2012, in Landover, Md. (AP Photo/Richard Lipski)

Indianapolis Colts quarterback Andrew Luck, right, passes as he is hit by Washington Redskins nose tackle Barry Cofield during the first half of an NFL preseason football game Saturday, Aug. 25, 2012, in Landover, Md. (AP Photo/Richard Lipski)

Indianapolis Colts quarterback Andrew Luck scrambles away from Washington Redskins linebacker Chris Wilson during the first half of an NFL preseason football game Saturday, Aug. 25, 2012, in Landover, Md. (AP Photo/Richard Lipski)

Washington Redskins wide receiver Leonard Hankerson is tackled by Indianapolis Colts defensive back Cassius Vaughn during the first half of an NFL preseason football game Saturday, Aug. 25, 2012, in Landover, Md. (AP Photo/Richard Lipski)

Washington Redskins quarterback Robert Griffin III passes over Indianapolis Colts defensive end Jerry Hughes during the first half of an NFL preseason football game Saturday, Aug. 25, 2012, in Landover, Md. (AP Photo/Richard Lipski)

Indianapolis Colts wide receiver T.Y. Hilton catches a touchdown pass as he is covered by Washington Redskins defensive back Madieu Williams during the first half of an NFL preseason football game Saturday, Aug. 25, 2012, in Landover, Md. (AP Photo/Nick Wass)

Indianapolis Colts wide receiver Donnie Avery, left, celebrates with T.Y. Hilton after Hilton's touchdown catch during the first half of an NFL preseason football game against the Washington Redskins on Saturday, Aug. 25, 2012, in Landover, Md. (AP Photo/Nick Wass)

Indianapolis Colts quarterback Chandler Harnish (8) has his pass blocked by Washington Redskins linebacker Markus White (55) during the second half of an NFL preseason football game Saturday, Aug. 25, 2012, in Landover, Md. (AP Photo/Richard Lipski)

Washington Redskins offensive tackle Trent Williams (71) blocks Indianapolis Colts linebacker Kavell Conner (53) as running back Alfred Morris (46) moves past during the first half of an NFL preseason football game Saturday, Aug. 25, 2012, in Landover, Md. (AP Photo/Nick Wass)

Indianapolis Colts quarterback Andrew Luck passes as he is hit by Washington Redskins linebacker Chris Wilson (51) during the first half of an NFL preseason football game Saturday, Aug. 25, 2012, in Landover, Md. (AP Photo/Nick Wass)

Washington Redskins running back Tim Hightower, left, celebrates with quarterback Robert Griffin III during the first half of an NFL preseason football game against the Indianapolis Colts Saturday, Aug. 25, 2012, in Landover, Md. (AP Photo/Nick Wass)

Washington Redskins running back Lennon Creer (23) celebrates with Tanard Jackson (34) after breaking up an Indianapolis Colts pass to end the first half of an NFL preseason football game Saturday, Aug. 25, 2012, in Landover, Md. (AP Photo/Nick Wass)

Washington Redskins wide receiver Terrence Austin runs with ball as he pursued by Indianapolis Colts defensive back Brandon King during the second half of an NFL preseason football game Saturday, Aug. 25, 2012, in Landover, Md. (AP Photo/Nick Wass)

Indianapolis Colts quarterback Andrew Luck wipes his face with a towel during a break in the action of the second half of an NFL preseason football game against the Washington Redskins Saturday, Aug. 25, 2012, in Landover, Md. (AP Photo/Richard Lipski)

Indianapolis Colts quarterback Andrew Luck, left, greets Washington Redskins quarterback Robert Griffin III after an NFL preseason football game Saturday, Aug. 25, 2012, in Landover, Md. The Redskins won 30-17. (AP Photo/Alex Brandon)

Indianapolis Colts coach Chuck Pagano, left, greets Washington Redskins coach Mike Shanahan after an NFL preseason football game Saturday, Aug. 25, 2012, in Landover, Md. The Redskins won 30-17. (AP Photo/Richard Lipski)

Indianapolis Colts quarterback Andrew Luck and Washington Redskins offensive coordinator Kyle Shanahan meet after an NFL preseason football game Saturday, Aug. 25, 2012, in Landover, Md. The Redskins won 30-17. (AP Photo/Richard Lipski)