Fowler tweets he's going to Olympics

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Rickie Fowler says on Twitter that he's going to the Olympics, and Patrick Reed said he would be joining him in Rio.

All that's left to fill out the four-man American team is Jordan Spieth.

Spieth says he has not yet decided whether to play, though a decision is due some time Monday.

Fowler played at St. Andrews upon his arrival in Scotland. He tweeted Sunday evening, "Looking forward to wearing some red white and blue in Rio."

Reed was first alternate for the Americans when Dustin Johnson withdrew. After playing the Scottish Open on Sunday, he said he was "all in."

If Spieth chooses not to play, the fourth American would be Matt Kuchar, who is No. 15 in the world at the Olympic deadline.