Buffaloes relying on new QB, fifth-year linebacker Landman

Colorado linebacker Nate Landman takes part in drills during an NCAA college football practice Friday, Aug. 13, 2021, in Boulder, Colo. (AP Photo/David Zalubowski)

Colorado linebacker Nate Landman, left, and wide receiver Dimitri Stanley answer questions during the Pac-12 Conference NCAA college football Media Day Tuesday, July 27, 2021, in Los Angeles. (AP Photo/Marcio Jose Sanchez)

Colorado head coach Karl Dorrell looks on as players take part in drills during an NCAA college football practice Friday, Aug. 13, 2021, in Boulder, Colo. (AP Photo/David Zalubowski)

Colorado quarterback Brendon Lewis takes part in drills during an NCAA college football practice Friday, Aug. 13, 2021, in Boulder, Colo. (AP Photo/David Zalubowski)