Do athletes Thomaz Koch and Jack Sock play the same professional sport?
Thomaz Koch Thomaz Koch (born May 11, 1945 in Porto Alegre), is a left-handed former tennis player from Brazil, who was a quarter-finalist at the French Open, Wimbledon and the U.S. National Championships.
Billy Koch William (Billy) Koch (born December 14, 1974) is a former Major League Baseball relief pitcher. He entered the majors with the Toronto Blue Jays and most recently pitched for the Florida Marlins in 2004.