Louis Oosthuizen, who led by five strokes overnight, uddenly has some company at the top of the leaderboard.
The 27-year-old South African lipped out a short par putt on the first hole to drop to 11 under just as several others started making a move. Paul Casey, for example, has joined Henrik Stenson at 8 under after birdies at the second and third holes.
Alejandro Canizares and Robert Karlsson are close behind at 7 under after birdies at Nos. 4 and 7, respectively.