The Boston Celtics have taken an interesting approach to sell their team to Kevin Durant this free agency period: players from other sports.

Tom Brady of the NFL's Patriots was present for Durant's meeting with the Celtics on Saturday, and David Ortiz of the MLB's Red Sox chimed in on Twitter:

It's unclear Whether Big Papi was really supposed to be at the meeting or if he simply wanted to help out, but one thing is clear: the city of Boston really wants Kevin Durant.

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