Tiger Woods was finally able to put together a bogey-free round highlighted by five birdies on Saturday.
Hideki Matsuyama could do no wrong after taking the tournament lead on Friday, while Tiger Woods struggled again.
A bogey-free opening round helped Justin Thomas into a share of the lead at the BMW Championship.
Tiger Woods says he is in much better shape than he was last week as he bids to seal a place in the season-ending Tour Championship.
Having initially defended himself in the row over slow play, Bryson DeChambeau insists he is "trying to improve".
Englishman Eddie Pepperell admitted his derogatory remark towards Bryson DeChambeau on Twitter was "unnecessary".
Steve Williams is often credited as golf's most successful caddie, but former world number one Jason Day has split with the New Zealander.
After Bryson DeChambeau took over two minutes to play both a 70-yard pitch and a simple putt, the PGA Tour will review the slow-pace policy.
Patrick Reed claimed a one-stroke victory at the Northern Trust, winning the tournament for the second time.
The row over slow play is dominating the headlines at The Northern Trust and Bryson DeChambeau hit back at his critics on Saturday.