6 trends tracked about this subject — the full history, oldest to newest below.
Speculation surrounding Aaron Donald's return to the Rams intensifies after a viral video shows him working out in pads.
Posthumous medical findings reveal former Dallas Cowboys defensive end Marshawn Kneeland suffered from CTE.
Researchers have diagnosed late Dallas Cowboys defensive end Marshawn Kneeland with stage 1 CTE.
Former NFL player Terrion Arnold's release from jail on $1 million bond sparks discussion about his future in the league.
The NFL's supplemental draft deadline sparks intense speculation about quarterback Brendan Sorsby's future.
The NFL faces renewed pressure from players to adopt grass fields following the development of World Cup turf in Tennessee.