Do athletes Thomaz Koch and Jack Sock play the same professional sport?
Jack Sock Jack Sock (born September 24, 1992) is an American professional tennis player who is currently ranked world No. 21 in men's singles by the Association of Tennis Professionals (ATP). He is one of the top ranked American men in both singles and doubles on the ATP Tour. A former junior US Open champion, Sock's singles success is highlighted by 7 ATP finals, including three titles. His career best result came at the 2017 Indian Wells Masters, where he reached the semi-finals.
Steve Johnson (tennis) Steve "Stevie" Johnson Jr. (born December 24, 1989) is an American professional tennis player. For 1 week in August 2016 he was the top ranked American in men's singles. He has a career high ranking of world number 21. He has won four ATP Challenger Tour titles and two ATP Tour 250 titles at Nottingham on grass and at Houston on clay. He won a bronze medal in men's doubles at the 2016 Olympics with Jack Sock.