Nathan Adrian, Anthony Ervin move into 50m, Rio Olympics 2016

U.S. swim team co-captains Nathan Adrian, Anthony Ervin move into 50m freestyle semifinals Nathan Adrian took silver in the 50m freestyle at the 2015 World Championships Nathan Adrian, fresh off his bronze medal-winning 100m freestyle Wednesday night, advanced from the qualifying heats of the 50m freestyle into the semifinals on Thursday afternoon alongside fellow U.S. swim team co-captain Anthony Ervin. Adrian and Ervin raced the same heat and finished first and second, separated by of a second. Def