Michael Kim just earned this new putter’s 3rd worldwide win

Michael Kim of the United States celebrates holing a par putt on the 18th green to set the clubhouse lead on day four of the FedEx Open de France 2025 at Golf de Saint-Nom-la-Breteche on September 21, 2025 in Paris, France.

Michael Kim switched to a Spider ZT two weeks ago.

Luke Walker/Getty Images

Jack Hirsh

Jack Hirsh is the Associate Equipment Editor at GOLF. A Pennsylvania native, Jack is a 2020 graduate of Penn State University, earning degrees in broadcast journalism and political science. He was captain of his high school golf team and recently returned to the program to serve as head coach. Jack also still *tries* to remain competitive in local amateurs. Before joining GOLF, Jack spent two years working at a TV station in Bend, Oregon, primarily as a Multimedia Journalist/reporter, but also producing, anchoring and even presenting the weather. He can be reached at jack.hirsh@golf.com.