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CBSSports.com spent all day Thursday updating you live with the latest news, notes, tweets, GIFs and other fun stuff from Round 1 of the 2015 US Open at Chambers Bay.

We hope you enjoyed. Catch up on all the action below.

Phil Mickelson is making some noise early at the 2015 US Open. (USATSI)
Phil Mickelson made some noise early at the 2015 US Open. (USATSI)