Atlanta Falcons quarterback Matt Ryan yells to his teammates as he tries to set the offense during the first quarter of an NFL preseason football game against the Kansas City Chiefs Friday, Aug. 13, 2010 in Atlanta. (AP Photo/John Bazemore)

Kansas City Chiefs running back Jamaal Charles (25) runs for daylight in the second quarter of an NFL preseason football game against the Atlanta Falcons, Friday, Aug. 13, 2010, in Atlanta. (AP Photo/John Bazemore)

Kansas City Chiefs quarterback Matt Cassel (7) is sacked by Atlanta Falcons' Curtis Lofton during the second quarter of an NFL preseason football game Friday, Aug. 13, 2010, in Atlanta. (AP Photo/John Bazemore)

Kansas City Chiefs running back Jamaal Charles (25) gets past Atlanta Falcons' Chauncey Davis in the second quarter of an NFL preseason football game Friday, Aug. 13, 2010, in Atlanta. (AP Photo/John Bazemore)

Atlanta Falcons tight end Tony Gonzalez, top, is upended by Kansas City Chiefs' Brandon Carr after a catch for short yardage in the first quarter of an NFL preseason football game Friday, Aug. 13, 2010, in Atlanta. (AP Photo/John Bazemore)

Kansas City Chiefs coach Todd Haley looks on after missing a field goal against the Atlanta Falcons during the second quarter of an NFL pre season football game Friday, Aug. 13, 2010 in Atlanta . (AP Photo/John Amis)

Atlanta Falcons tight end Tony Gonzalez, left, is brought down by Kansas City Chiefs linebacker Corey Mays (51)during the first quarter of an NFL pre season football game Friday, Aug. 13, 2010 in Atlanta . (AP Photo/John Amis)

Kansas City Chiefs running back Tim Castille, left, is upended by Atlanta Falcons cornerback Christopher Owens during the first quarter of an NFL preseason football game Friday, Aug. 13, 2010, in Atlanta. (AP Photo/John Amis)

An Atlanta Falcons cheerleader performs during of an NFL preseason football game against the Kansas City Chiefs Friday, Aug. 13, 2010 in Atlanta. (AP Photo/John Bazemore)

Kansas City Chiefs quarterback Matt Cassel looks for an open receiver in the first quarter of an NFL preseason football game against the Atlanta Falcons Friday, Aug. 13, 2010 in Atlanta. (AP Photo/John Bazemore)

Atlanta Falcons quarterback Matt Ryan looks to throw as Harvey Dahl (73) blocks in the first quarter of an NFL preseason football game against the Kansas City Chiefs Friday, Aug. 13, 2010 in Atlanta. (AP Photo/John Bazemore)

Kansas City Chiefs' Leroy Banks stretches for the goal line as Atlanta Falcons' Rafael Bush, left, defends in the fourth quarter of an NFL preseason football game Friday, Aug. 13, 2010, in Atlanta. (AP Photo/John Bazemore)

Kansas City Chiefs coach Todd Haley, center, argues with referees Doug Rosenbaum, left, and Carl Paganelli, right, during the second half of an NFL preseason football game against the Atlanta Falcons, Friday, Aug. 13, 2010, in Atlanta. Atlanta won 20-10. (AP Photo/John Amis)

Kansas City Chiefs guard Colin Brown watches during the closing moments of an NFL preseason football game against the Atlanta Falcons, Friday, Aug. 13, 2010, in Atlanta. Atlanta won 20-10. (AP Photo/John Amis)

Atlanta falcons head coach Mike Smith watches from the sideline during the fourth quarter of an NFL preseason football game against the Kansas City Chiefs Friday, Aug. 13, 2010, in Atlanta. (AP Photo/John Bazemore)

Kansas City Chiefs coach Todd Haley, right, argues with a referee during the second half of an NFL preseason football game against the Atlanta Falcons, Friday, Aug. 13, 2010, in Atlanta . Atlanta won 20-10. (AP Photo/John Amis)