What: Waste Management Phoenix Open in Scottsdale, Ariz.
Course: TPC Scottsdale, Stadium Course (7,266 yards, par 71).
Schedule (TV): Thursday-Sunday (Golf Channel); Saturday-Sunday (Ch. 11).
Purse: $6.5 million (winner's share $1.17 million).
Defending champion: Brooks Koepka.
What: Coates Golf Championship in Ocala, Fla.
Schedule (TV): Wednesday-Saturday (Golf Channel).
Course: Golden Ocala Golf and Equestrian Club (6,541 yards, par 72).
Purse: $1.5 million (winner's share $225,000).
Defending champion: Na Yeon Choi.
What: Allianz Championship in Boca Raton, Fla.
Schedule (TV): Friday-Sunday (Golf Channel).
Course: The Old Course at Broken Sound (6,807 yards, par 72).
Purse: $1.75 million (winner's share $262,500).
Defending champion: Paul Goydos.
Notes: Phil Mickelson won in 1996, 2005 and 2013. In 2013, he shot 60-65-64-67 to match the tournament record of 28-under 256. The former Arizona State player missed the cut last week at Torrey Pines after opening the year with a tie for third in La Quinta. ... Brandt Snedeker also is in the field along with Bubba Watson, British Open champion Zach Johnson, Rickie Fowler and Jason Dufner. Fowler won the European Tour event two weeks ago in Abu Dhabi. Dufner is coming off a playoff victory in La Quinta.
Notes: Lydia Ko is making her first start of the season. She won five times last season. ... Second-ranked Inbee Park is sidelined by a back injury.