Dustin Johnson birdied four of the last five holes Saturday, and he leads by three at the BMW Championship. Here's what You Oughta Know heading into the final round at Crooked Stick.
• This is Johnson's first 54-hole lead or co-lead since the 2015 U.S. Open (finished T-2). He is 2-for-6 converting 54-hole leads or co-leads in his PGA Tour career.
• Johnson has two wins this season. He has never won three times in a season.
• Johnson has 11 PGA Tour wins, which is the third-most among all players since 2008.