Luck, Griffin impress; Redskins top Colts

The Washington Redskins celebrate an NFL preseason victory over the Indianapolis Colts on Saturday, Aug. 25, 2012.

Washington Redskins quarterback Robert Griffin III dives for a first down during the first half of an NFL preseason football game against the Indianapolis Colts on Saturday, Aug. 25, 2012, in Landover, Md. (AP Photo/Richard Lipski)
Washington Redskins quarterback Robert Griffin III dives for a first down during the first half of an NFL preseason football game against the Indianapolis Colts on Saturday, Aug. 25, 2012, in Landover, Md. (AP Photo/Richard Lipski)
Washington Redskins quarterback Robert Griffin III dives for a first down during the first half of an NFL preseason football game against the Indianapolis Colts on Saturday, Aug. 25, 2012, in Landover, Md. (AP Photo/Richard Lipski)
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 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 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 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)
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)
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 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 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 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)

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