The four-time PGA Tour champion's setup is an interesting one - including a set of nine-year-old irons

At the start of 2020 Daniel Berger became a free agent resulting in some interesting changes to his setup.

Since then, Berger has won his third and fourth PGA Tour titles – including his latest in a controversial week at Pebble Beach.

So what’s in his bag?

Daniel Berger WITB 2021

Driver: TaylorMade SIM, (9°, Fujikura Ventus Black 6 X shaft)

Fairway wood: TaylorMade M6, (15°, UST Elements Chrome 8F5 shaft)

Driving iron: Callaway Apex Forged 16, (3, Project X 6.5 shaft)

Irons: TaylorMade TP MC 11, (4-PW, Project X 6.5 shafts)

Wedges: Callaway Mack Daddy Forged, (50°-10, 56°-10), Callaway Mack Daddy 4, (60°-12C, True Temper Dynamic Gold Tour Issue S400 shafts)

Putter: TaylorMade Spider Tour

Ball: Titleist Pro V1 Left Dot

Clothing: Adidas

Daniel Berger WITB 2020

Driver: Callaway Mavrik Sub Zero, (9°, Fujikura Ventus Black 6 X shaft)

Fairway wood: Callaway Epic Flash, (13.5°, Fujikura Speeder 857 TR 85X shaft)

Driving iron: Callaway Apex Forged 16, (3, Project X 6.5 shaft)

Irons: TaylorMade TP MC 12, (4-PW, Project X 6.5 shafts)

Wedges: Callaway Mack Daddy Forged, (50°, 10, 56°, 10), Callaway Mack Daddy 4, (60°, 12, True Temper Dynamic Gold Tour Issue S400 shafts)

Putter: TaylorMade Spider X

Ball: Titleist Pro V1

Clothing: Adidas