FOXBOROUGH, Mass. (AP) -- Typically, only friends are allowed to refer to each other by their nicknames.
If that's true, Gronk and Marty are quickly on their way to becoming bros.
Outside of Tom Brady, Rob Gronkowski has easily been the most indispensable player on the New England Patriots' offense, celebrated equally for his brute athleticism and one-of-a-kind personality.
But that success has come at the expense of his body at times the past few seasons as team have keyed on Brady's favorite target.
Enter Martellus Bennett, who is still learning about life in New England since being acquired in a March trade with Chicago.