(Reuters) - Golf's return to the Olympics for the first time since 1904 has been hit by several high-profile pullouts due to fears over the Zika virus but for American world number 13 Patrick Reed, it's a risk worth taking. The 25-year-old will replace U.S. Open champion and world number two Dustin Johnson, who, on Friday, pulled out of Aug.5-21 Games citing concerns over the virus. American world number seven Rickie Fowler has confirmed his participation at Rio. More...