Dustin Johnson to skip Olympics to due to concern about Zika (Yahoo Sports)

U.S. Open champion Dustin Johnson withdrew from the Rio Games on Friday because of concerns over the Zika virus, costing golf three of the world’s top four players for its return to the Olympics after a 112-year absence. Jordan Spieth is the only player from the top four who has not said if he is going to Brazil. Rickie Fowler also is undecided.