Report: NFL, NFLPA reviewing handling of Parker's head injury

The NFL and NFLPA are reviewing the circumstances surrounding New England Patriots wide receiver DeVante Parker's display of concussion-like symptoms and subsequent exit from Monday's game, NFL Network's Ian Rapoport reports.

Parker appeared to be shaken up after taking a hard hit on a 10-yard reception. Teammate Nelson Agholor attempted to get the attention of officials to halt the game so that Parker could be removed before the next play.

The 29-year-old left the contest after making two receptions for 24 yards.

Parker criticized the NFL on Tuesday, telling the league to "get on y'all's f----n' job" on Instagram and thanking Agholor, according to NESN's Zack Cox.

The NFLPA previously initiated a review of the September incident in which Miami Dolphins quarterback Tua Tagovailoa was allowed to return to a game after hitting his head on the ground and stumbling toward the team's huddle. Tagovailoa told the team physician and an independent neurotrauma consultant that his unsteadiness was a result of back and ankle injuries.

The Dolphins passer was cleared to play and sustained another hard hit to his head in a game four days later. He was briefly hospitalized and diagnosed with a concussion.

Following the review, the league fired the independent neurotrauma consultant and amended its concussion protocol. One of the amendments states that players who display ataxia should be removed from the game and entered into the protocol. The NFL and NFLPA's joint statement defined ataxia as "abnormality of balance/stability, motor coordination, or dysfunctional speech caused by a neurological issue."