Lowdown on this week's tourneys

World Golf Championships

Venue: Mexico City.

Course: Chapultepec GC.Yardage: 7,355. Par: 71.

Purse: $10.5 million. Winner's share: $1,787,560.

Television: Thursday-Friday, 2-7 pm (Golf Channel); Saturday, noon to 2:30 pm (Golf Channel),2:30-6 pm (NBC); Sunday, 1-2:30 pm (Golf Channel), 2:30-7 pm (NBC).

Defending champion: Dustin Johnson.

Last WGC: Rory McIlroy won the HSBC Champions.

Notes: Tiger Woods decided to skip the first World Golf Championships event of the year, saying he was not ready. Woods is among three players from the top 10 not in the field, joining Brooks Koepka and Patrick Cantlay. Cantlay is having surgery for a deviated septum.... Dustin Johnson won last year for his 20th career victory and now needs 15 years on tour to become a Lifetime Member. ... Johnson has not won since Mexico last year.... The course is at roughly 7,500 feet altitude.

PGA Tour－Puerto Rico Open

Venue: Rio Grande, Puerto Rico. Course: Coco Beach Golf& CC.Yardage: 7,506. Par: 72.

Purse: $3 million. Winner's share: $540,000.

Television: Thursday-Friday, 10:30 am to 1:30 pm (Golf Channel); Saturday, 2:30-5 pm (Golf Channel); Sunday, 2:30-4:30 pm (Golf Channel).

Defending champion: Martin Trainer.

FedEx Cup leader: Justin Thomas.

Last week: Adam Scott won the Genesis Invitational.

Notes: Martin Trainer did not make the 36-hole cut in 24 of his next 27 events on the PGA Tour after winning in Puerto Rico. His best finish was 34th in the 34-man field at the Sentry Tournament of Champions.... The winner earns an exemption in the PGA Championship, but not in the Masters.... The tournament dates to 2008 and has been played every year except for 2018, when Puerto Rico was recovering from Hurricane Maria.... Tony Finau won his only PGA Tour title at the Puerto Rico Open in 2016.... Scott Brown won in 2013 when a 19-year-old Jordan Spieth was runner-up to send him on his way to the PGA Tour.... Genesis winner Adam Scott is the third Australian to win in seven PGA Tour events this year.