Patrick Reed’s Grindworks irons (David Dusek/Golfweek)

 

6. Adam Scott

 
IRONS: Titleist 716 T-MB (3), 680 (4-9), with KBS Tour shafts.
 

Adam Scott's Titleist 680 irons

Adam Scott’s Titleist 680 irons. (David Dusek/Golfweek)

 

5. Dustin Johnson

 
IRONS: TaylorMade P730 (4-PW), with True Temper Dynamic Gold X100 shafts.
 

Dustin Johnson's TaylorMade irons

Dustin Johnson’s TaylorMade irons (David Dusek/Golfweek)

 

4. Justin Thomas

 
IRONS: Titleist T100 (4), 620 MB (5-9), with True Temper Dynamic Gold Tour Issue X100 shafts.
 

Justin Thomas

Justin Thomas (Orlando Ramirez/USA TODAY Sports)

 

3. Brooks Koepka

 
IRONS: TaylorMade P790 (3), with Mitsubishi MMT UT 105 TX shaft; Mizuno JPX 919 Tour (4-PW), with True Temper Dynamic Gold Tour Issue X100 shafts.
 

Brooks Koepka's irons

Brooks Koepka’s Mizuno and TaylorMade irons. (David Dusek/Golfweek)

 

2. Jon Rahm

 
IRONS: TaylorMade RSi TP UDI (4), P750 (4-PW), with Project X 6.5 shafts
 

Jon Rham's golf equipment

Jon Rahm’s golf equipment. (David Dusek/Golfweek)

 

1. Rory McIlroy

 
IRONS: TaylorMade P760 (3, 4), P730 (5-PW), with Project X 7.0 shafts.
 

Rory McIlroy's TaylorMade P730 irons

Rory McIlroy’s TaylorMade P730 irons. (David Dusek/Golfweek)