Army running back Kell Walker (5) makes a catch for 42 yards in front of Duke linebacker Koby Quansah (49) during the first half of an NCAA college football game on Saturday, Nov. 11, 2017, in West Point, N.Y. (AP Photo/Hans Pennink)
Army running back Kell Walker (5) makes a catch for 42 yards in front of Duke linebacker Koby Quansah (49) during the first half of an NCAA college football game on Saturday, Nov. 11, 2017, in West Point, N.Y. (AP Photo/Hans Pennink) Hans Pennink AP
Army running back Kell Walker (5) makes a catch for 42 yards in front of Duke linebacker Koby Quansah (49) during the first half of an NCAA college football game on Saturday, Nov. 11, 2017, in West Point, N.Y. (AP Photo/Hans Pennink) Hans Pennink AP