TROON, Scotland (CBSNewYork)Jordan Spieth is out of the Olympics.

International Golf Federation president Peter Dawson announced the decision at the British Open on Monday.

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The American golfer had been strongly debating whether to go to Rio de Janeiro over the last three days before reaching his decision on Monday. Two weeks ago, he publicly voiced concerns about security and Zika virus.

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Golf’s return to the Olympics after a 112-year absence now will not include the top four players in the world — Jason Day, Dustin Johnson, Spieth and Rory McIlroy. More than 15 players have decided not to play because of concerns that include Zika, political unrest in Brazil and scheduling.

Spieth will be replaced on the U.S. team by Matt Kuchar. The team also includes Bubba Watson, Rickie Fowler and Patrick Reed.

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