Celtics visit Fenway Park, make video thanking David Ortiz (with Isaiah stealing his famous line)

The entire Celtics roster was on hand at Fenway Park Saturday night as part of David Ortiz's retirement festivities:

Ortiz and Al Horford, both from the Dominican Republic, have a longstanding friendship.

Notice all the No. 34 jerseys, a perfect coincidence for the Celtics:

Even Isaiah Thomas wasn't above asking Big Papi for an autograph:

The C's also put together a video thanking Ortiz for all he's done as a member of the Red Sox, highlighted by Isaiah's closing statement "Just remember, this is our f---ing city!"

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