Detroit Lions quarterback Matthew Stafford throws against the Indianapolis Colts during the third quarter of an exhibition NFL football game Saturday, Aug. 29, 2009 in Detroit. (AP Photo/Paul Sancya)

Detroit Lions quarteback Drew Stanton throws against the Indianapolis Colts during the fourth quarter of an exhibition NFL football game, Saturday, Aug. 29, 2009, in Detroit. (AP Photo/Paul Sancya)

Detroit Lions quarterback Daunte Culpepper throws against the Indianapolis Colts during the first quarter of an exhibition NFL football game, Saturday, Aug. 29, 2009 in Detroit. (AP Photo/Paul Sancya)

Indianapolis Colts quarterback Peyton Manning throws under pressure from the Detroit Lions during the second quarter of an exhibition NFL football game Saturday, Aug. 29, 2009 in Detroit. (AP Photo/Paul Sancya)

Detroit Lions quarterback Matthew Stafford (9) is sacked by Indianapolis Colts defensive end Marcus Howard during the third quarter of an exhibition NFL football game Saturday, Aug. 29, 2009 in Detroit. (AP Photo/Paul Sancya)

Detroit Lions quarterback Matthew Stafford (9) is rushed by Indianapolis Colts defensive tackle Keyunta Dawson in the first half of an exhibition NFL football game Saturday, Aug. 29, 2009 in Detroit. (AP Photo/Duane Burleson)

Detroit Lions wide receiver John Standeford catches a two-point conversion from quarterback Drew Stanton as back judge Dino Paganelli looks on during the fourth quarter of a exhibition NFL football game against the Indianapolis Colts, Saturday, Aug. 29, 2009 in Detroit. (AP Photo/Paul Sancya)

Detroit Lions tight end Dan Gronkowski (47) catches a 21-yard touchdown reception from Drew Stanton as Indianapolis Colts safety Travis Key defends during the fourth quarter of an exhibition NFL football game Saturday, Aug. 29, 2009 in Detroit. (AP Photo/Paul Sancya)

Indianapolis Colts cornerback Jerraud Powers (49) intercepts a pass intended for Detroit Lions wide receiver Bryant Johnson (80) during the second quarter of an exhibition NFL football game, Saturday, Aug. 29, 2009 in Detroit. (AP Photo/Paul Sancya)

Detroit Lions tight end Brandon Pettigrew (84) is brought down by Indianapolis Colts safety Melvin Bullitt after a 13-yard reception during the second quarter of an exhibition NFL football game, Saturday, Aug. 29, 2009 in Detroit. (AP Photo/Paul Sancya)

Detroit Lions running back Kevin Smith runs for 19 yards on a pass play against the Indianapolis Colts during the first quarter of an exhibition NFL football game Saturday, Aug. 29, 2009 in Detroit. (AP Photo/Duane Burleson)