Actor Matt Damon poses for photos with fans during his appearance on NBC's "Today" show in midtown New York, July 30, 2013. (REUTERS/Carlo Allegri)
Actor Matt Damon poses for photos with fans during his appearance on NBC's "Today" show in midtown New York, July 30, 2013. (REUTERS/Carlo Allegri)

Matt Damon was on NBC’s “Today” on Tuesday to promote his new sci-fi movie, “Elysium.” On Wednesday, the local guy was spotted wearing a Boston Celtics T-shirt on his way to do more press at the “Late Show With David Letterman.”

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