David Lingmerth is the 36-hole leader at the Quicken Loans National in Potomac, Maryland, after he shot a five-under 65 Friday to move to 10 under through two rounds.
The back-to-back 65s vaulted Lingmerth two shots clear of Geoff Ogilvy, who is sitting at eight under after opening his stay at TPC Potomac in 67-65 fashion.
Here's an overview of the top of the leaderboard with moving day on deck:
One round after he dotted his scorecard with seven birdies and two bogeys, Lingmerth played one of the finest 18-hole stretches of his season to date.