Sponsor exemptions are basically free-play gifts handed out by the people in charge of golf tournaments, a handful of invitations available most weeks to those who wouldn't have otherwise qualified for an event.
Two shots behind with four holes to play, Patrick Reed ran off three straight birdies to overtake a faltering Bryson DeChambeau, closing with a 4-under 67 for his second World Golf Championships title.
Viktor Hovland won the Puerto Rico Open on Sunday to become the first Norwegian winner in PGA Tour history, chipping in for eagle on the par-5 15th and racing in a 30-footer for birdie on the par-5 18th for a one-stroke victory over Josh Teater.
Tiger Woods began with an unknowing tribute to Kobe Bryant by making an eagle putt that optical cameras measured at 24 feet, 8 inches. He ended his opening round with a reminder that getting around Riviera unscathed is no small task.
The cancellations of the Thailand and Singapore events were "due to the continued health concerns and recent advisories in some Asian countries" that large-scale events should not be held, the LPGA Tour said in a statement.
For his final act on a day filled with short-game magic, Phil Mickelson hit a full-swing flop shot over a bunker that landed in just the right spot on the 18th green at Pebble Beach that it rolled out to 4 feet from the cup.
Nick Taylor opened with an eagle, closed with two birdies and made a gorgeous day feel even better with an 8-under 63 at Monterey Peninsula that gave him the lead Thursday in the AT&T Pebble Beach Pro-Am.
Optimism is never in short supply for Phil Mickelson, and it was especially high when he left the Monterey Peninsula last year with his 44th career PGA Tour victory and his fifth title in the AT&T Pebble Beach Pro-Am.