US Open Leaderboard 2017: Thursday Score Updates and Tournament Predictions

The 2017 U.S. Open got under way at Erin Hills in Wisconsin on Thursday, with defending champion and world No. 1 Dustin Johnson starting the tournament as favourite for another triumph.

Here is a look at the leaderboard as it stands so far, with every player in the field looking to make a decent start to the week's action:

Erin Hills is a largely unknown quantity for many of the players. It is a new venue for the U.S. Open and only opened in 2006.

"I know nothing about it," Johnson admitted ahead of the start of this year's tournament, per the Guardian's Ewan Murray.

The course has wide fairways bordered by punishing rough, per BBC Sport's Stephen Watson:

Stephen Watson I see the rough at Erin…