Colin Allred lay in excruciating pain on the artificial turf field at Cowboys Stadium, staring up at the massive retractable roof shielding him and 90,000 others from the Arlington heat.
That Sunday afternoon 14 years ago, Allred, a backup Tennessee Titans linebacker, had collided with Cowboys tight end Martellus Bennett while trying to bring down Dallas’ running back, Marion Barber III. Allred knew he had just played his last NFL snap.
