Bryce Perkins' poise key to success for No. 21 Virginia

Virginia quarterback Bryce Perkins (3) runs in front of William & Mary defenders during the first half of an NCAA college football game in Charlottesville, Va., Friday, Sept. 6, 2019. (AP Photo/Andrew Shurtleff)

Virginia quarterback Bryce Perkins (3) celebrates with fans after Virginia defeated Florida State 31-24 during an NCAA college football game in Charlottesville, Va., Saturday, Sept. 14, 2019. (AP Photo/Andrew Shurtleff)

Virginia quarterback Bryce Perkins (3) runs the ball past Florida State linebacker Emmett Rice (56) during the first half of an NCAA college football game in Charlottesville, Va., Saturday, Sept. 14, 2019. (AP Photo/Andrew Shurtleff)