GLENDALE, ARIZ. -- Collin Klein is running and when he does it like this, ball tucked high up his arm toward his bicep, he looks about as fast as a part-time security guard. Maybe that’s part of why so many of us underestimated him in the beginning. But here he goes anyway, like a freight train at top speed. His receivers are all covered. That means most of the defense isn’t looking. These are the moments that gave him that Optimus Klein nickname. He starts running, fast as his legs will carry him, straight for the front corner of the end zone. He knows the cornerback will meet him there for a collision. This is Klein at his best. Switches the ball to his outside arm, and even in a race against the Fastest Team In College Football, Klein can hold his own.