Concussions and painkillers are still a rampant problem around the NFL.

Between Jaguars backup running back Bernard Pierce's huge mental lapse during Sunday's game that was later blamed on a head injury and former Iowa and NFL safety Tyler Dash's death due to an overdose, the efforts to make the league safer for past and present players haven't led to great results.

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Pierce's issues were troubling as rather than go after a Buccaneers returner on a Jaguars punt, he instead blocked a Tampa Bay player, believing that it was Jacksonville that was receiving the kick.