The towering trees of Augusta National in the sun on Monday. PHOTO: Augusta National.

Defending champion Dustin Johnson and Rory McIlroy headed out for nine holes together on Monday morning. PHOTO: Kevin C. Cox/Getty Images.

McIlroy and new coach Pete Cowen inspect the Northern Irishman's clubs before the tournament gets underway. PHOTO: Mike Ehrmann/Getty Images.

Queenslanders Adam Scott and Cameron Smith spent some time together on the course as they attempt to add a second Aussie green jacket. PHOTO: Mike Ehrmann/Getty Images.

Last week's winner Jordan Spieth was all smiles during his press conference on Monday. PHOTO: Augusta National.

Two-time winner Bubba Watson plays an approach to the famous 13th during his practice round. PHOTO: Augusta National.

The classic signage directing patrons around the property. PHOTO: Mike Ehrmann/Getty Images.

1988 winner Sandy Lyle is back at Augusta, and so are his suspenders. PHOTO: Augusta National.

Bryson DeChambeau will once again try to use his power to overcome Augusta and claim an extremely large green jacket. PHOTO: Mike Ehrmann/Getty Images.

Collin Morikawa gets his bearings around Amen Corner during a practice round. PHOTO: Augusta National.

A couple of patrons make an early morning stop at the merchandise shop to pick up their momentos. PHOTO: Mike Ehrmann/Getty Images.

DJ and Rory head off to reacquaint themselves with Alister MacKenzie's layout. PHOTO: Mike Ehrmann/Getty Images.

Matt Jones certainly looks to be enjoying his second trip to The Masters. PHOTO: Jared C. Tilton/Getty Images.

Scot Robert MacIntyre gets some course knowledge from 2018 champion Patrick Reed. PHOTO: Kevin C. Cox/Getty Images.

Rory McIlroy strolls across the Hogan Bridge. Will 2021 be the year he clinches the career grand slam? PHOTO: Mike Ehrmann/Getty Images.

Adam Scott puts in some work with the club that will likely determine his chances of a second major win. PHOTO: Mike Ehrmann/Getty Images.

Ground staff prepare the course for the world's best players on Monday. PHOTO: Augusta National.

The leaderboard adorned with the flags of the competitors during the first official day of practice. PHOTO: Augusta National.