The Ryder Cup takes place at Medinah this weekend, so Chicago native Bill Murray was around yesterday to play in a pro-am celebrity kickoff event. Since he's the biggest bro ever, and since he was on a golf course that will soon pay host to a U.S. versus Europe competition, Murray led the crowd in a stirring "America" chant before he teed off. Take a look:

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H/T: Sportsgrid