The Boston Blood Sox Awards (or Bloodies) are awarded for great success and/or pitiful failure in the 2014-15 sports year.
Tom Brady is the heart of the Patriots. And Rob Gronkowski is the muscle. As Gronk got healthy, the Patriots got healthy. As Gronk started to dominate, the Patriots started to dominate. The Patriots were 10-0 when he caught for 60+ yards, 3-2 when he didn't.
Not only did he produce, the way he played gave the Patriots a ferocious edge that they haven't had (especially on offense) for a long time. This was not a finesse team. It was a brutal, hard-hitting game when Gronk was on the field.
He also caught a TD pass in each playoff game.
His 12 receiving TDs were tied for 4th in the NFL and tied for 1st among tight-ends. He led tight-ends in yards, 20+ yard catches, first downs (60 of them), and yards after the catch. And don't forget he's one of the fiercest blockers in the League.