Gronkowski admitted that he ignored former coach Bill Belichick’s phone calls, which ultimately ended in him being traded to the Detroit Lions. However, he threatened to retire if the trade went through, and the Lions withdrew their trade offer.

The 35-year-old Kelce has cemented himself as one of the greatest tight ends in NFL history over the last decade-plus—and is rivaling the likes of Gronkowski, Tony Gonzalez, and Antonio Gates among others in the GOAT discussion at the position.

The debate of who’s the better tight end is one Rob Gronkowski hears, but pointed out that while he and Travis Kelce were the same position, they played it differently.