Runner-up last year, Rory McIlroy grabbed a first-round lead at the WGC-Mexico Championship.
Harold Varner and Ryan Palmer were joined by four other pairs at the top of the QBE Shootout leaderboard.
Matthew Fitzpatrick climbed 12 spots to the top of the leaderboard with a six-under-par 64 in Memphis on Friday.
Jon Rahm produced an impressive eight-under 62 to lead the WGC-FedEx St. Jude Invitational.
Chez Reavie – without a PGA Tour win since 2008 – carded a seven-under-par 63 to catapult himself to the top of the leaderboard on Saturday.
Ryan Armour, Bronson Burgoon, Lee Kyoung-hoon, Abraham Ancer, Mackenzie Hughes and Zack Sucher shared the one-shot lead.
Ahead of the final round of the 2019 Masters, we look at how Sunday panned out at the last five editions of the tournament.
Rory McIlroy made it three wins from three on Friday, with Tiger Woods standing in the way of him and a quarter-final berth.
In-form Rory McIlroy will advance to the next round if he avoids defeat to Matt Fitzpatrick in Group 4 on Friday.
Defending champion Paul Casey will carry a one-stroke lead into the final round of the Valspar Championship.