Inside the driver setups powering two Phoenix Open contenders

Nicolai Hojgaard and Si Woo Kim hit Callaway Qauntum drivers.

Si Woo Kim and Nicolai Hojgaard both recently switched to Callaway's Quantum Triple Diamond drivers.

Getty Images, Jack Hirsh/GOLF and Johnny Wunder/GOLF

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.