 Complete the following phrase:  Ronnie Baker born October 15, 1993 is an American professional track and field athlete specializing in the sprints. Over 60 meters his personal best time of 6.40 seconds makes him the third-fastest man in the event in history. He was champion over 60 m at the USA Indoor Championships in 2017, a medalist over 60 m at the World Indoor Championships in 2018, and a gold medallist in the relay at the World Relays in 