Kevin Kisner has one concern about Jackson Koivun’s golf swing after his victory at the 3M Open

Kevin Kisner has admitted that he is slightly concerned that Jackson Koivun’s golf swing could cause problems for his back later on in his career, having expe...

Kevin Kisner has admitted that he is slightly concerned that Jackson Koivun’s golf swing could cause problems for his back later on in his career, having expe...