Mizuno JPX 900 Tour irons (4-9)

“I will leave Chris to fill in how we got from there to Koepka winning back to back US Open’s and the 2018 PGA Championship with the JPX900 Tour irons …”

“Casey uses a 2017 M2 driver and M1 fairways, MP-25 and MP-5 irons while Koepka uses a 2016 M2 driver and JPX900 Tour irons.”

“He won the 2017 U.S. Open, 2018 U.S. Open and the 2018 PGA Championship using Mizuno JPX-900 Tour irons”

“The rest of his irons were Mizuno JPX 900 Tours which went from 4-iron to pitching wedge.”

“Although not under contract with Mizuno, Koepka plays the company’s JPX 900 Tour irons.”

“Irons (3): Nike Vapor Fly Pro; (4-PW): Mizuno JPX 900 Tour”

“Irons: Nike Vapor Fly Pro (3) with Fujikura Pro Tour Spec shaft, Mizuno JPX-900 Tour (4-PW) with True Temper Dynamic Gold X100 shafts”

“Koepka used the clubs regularly throughout the week at Shinnecock Hills, with his bag in 2018 also featuring a TaylorMade M3 driver, Mizuno JPX-900 Tour irons, Titleist Vokey SM7 wedges and a Scotty Cameron Newport 2 SLT T10 putter.”

“Koepka has also upgraded his irons from the Mizuno JPX900 Tour irons to the new 919 Tour model and uses them from his 4-iron to his pitching wedge.”