Jason Day pulled out of the Olympics Tuesday because of the Zika virus Costing golf its No. 1 player as it returns from a centurylong absence at the Games The sport lost two of its biggest stars in the past week to Zika, including Rory McIlroy Day and his wife, Ellie, had their second child in November and said they want more children The Australian is one of six golfers and one of the most prominent athletes to specifically cite the virus for not going to Rio