Ben Affleck and Matt Damon attend Bring Change to Mind's Revels & Revelations on April 27 in San Francisco. Drew Altizer Share on Facebook Share on X Google Preferred Share to Flipboard Show additional share options Share on LinkedIn Share on Pinterest Share on Reddit Share on Tumblr Share on Whats App Send an Email Print the Article Post a Comment Diehard Boston Red Sox fans Matt Damon and Ben Affleck did the unimaginable on Monday night, donning San Francisco Giants hats - all in the name of Robin Williams.