US sprint star Kerley joins drug-fueled Enhanced Games

Fred Kerley, a two-time Olympic 100m medallist currently serving a suspension, has become the first US man and first track and field athlete to sign up for the Enhanced Games, where competitors will be free to use performance-enhancing drugs.Kerley is the first track and field specialist to commit to the Enhanced Games after swimmers James Magnussen, Ben Proud and Kristian Gkolomeev.