Playing late in the day, Brooks Koepka and Bryson DeChambeau fired 6-under par (66) to share the lead at the 83rd Masters after day one.

28 players finished their round under par and it is a star-studded list that includes Tiger Woods, Phil Mickelson and Rickie Fowler.

Getty Images       (Brooks Koepka)

Koepka missed last year's Masters with a wrist injury but has won three of the last six majors.

Getty Images      (Bryson DeChambeau)

DeChampeau is just 25-years-old but has already won a tournament this year and has five career wins.

Getty Images    (Phil Mickelson)

48-year-old Phil Mickelson is trying to win his fourth Green Jacket at Augusta National and sits just a shot back of the lead.

Check out the full Masters leaderboard by clicking here...