By Sportsmail Reporter

Last updated at 3:01 PM on 18th September 2011

The PGA Tour is at the Cog Hill Golf and Country Club in Lemont, Illinois this week for the BMW Championship.

Dustin Johnson took the title last year and you can keep track of all the latest scores right here.

• CLICK HERE FOR THE LIVE LEADERBOARD

Big hitter: Dustin Johnson was the winner at the BMW Championship last year