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.
Wilfried Sock Wilfried Sock (born July 2, 1944) is a German former ice hockey player, who competed for SG Dynamo Weißwasser. He played for the East Germany national ice hockey team at the 1968 Winter Olympics in Grenoble.