Why JJ Watt Says He Will Retire from The NFL After This Season?

Arizona Cardinals defensive end JJ Watt hints he will retire from the NFL at the end of the season.

Watt tweeted that last Sunday's game against the Tampa Bay Buccaneers was his "last ever NFL home game.

There are two games remaining on the Cardinals' schedule, both are away at Atlanta and San Francisco. 

"My heart is filled with nothing but love and gratitude

It's been an absolute honor and a pleasure," he wrote on Twitter, while sharing photos of his family and son, Koa.

Tweet on Twitter Koa’s first ever NFL game. My last ever NFL home game. My heart is filled with nothing but love and gratitude. It’s been an absolute honor and a pleasure.

The NFL appeared to confirm his retirement, tweeting out the announcement.

Watt did not elaborate on his retirement, but the announcement comes months. 

After his heart was "shocked back into rhythm" following atrial fibrillation.