Webb Simpson has a short, but successful history at PGA West. One expert looks for the reigning U.S. Open champ to out-birdie the field at the Humana Challenge. Picks

•  ROSS: Mickelson starting his season in the desert
•  HUMANA: Tee times | Rankings | Inside the Numbers
•  MORE: Featured groups | Featured hole | Turf talk
•  INSIDER: Sports' ultimate meritocracy works again
•  FITNESS: Pros stay in shape | Well-Being Walk  
•  PLAYER TEAMS WITH HUMANA: Health and wellness
•  FIRST LOOK: Trio of par-72 courses yield low scores
•  SPONSOR: Humana, TOUR extend agreement 
•  FEDEXCUP: Rookie Henley tied for early lead

Behind a pair of eagles, Jason Kokrak posted a 9-under 63 and shares the first-round lead with Roberto Castro and James Hahn at the Humana Challenge in partnership with the Clinton Foundation in La Quinta, Calif. Round 1 wrap-up

• HUMANA: Leaderboard | Round 2 tee times
• AMATEURS: Leaderboard | Who's playing? 
  
• INTERVIEW: President Clinton, Tim Finchem at Humana
• MORE: Hahn  | Henley  | J. Kelly  | Castro 
• TOUR REPORT: News, notes from the course
  
• HIGHLIGHTS: Round 1 recap  | Shot of the Day 
  
• MICKELSON REBOUNDS: Flop shot spectacular | Card
• HENLEY KEEPS ROLLING: Fine start | Card
• WEIR'S HOT START: Step in right direction | Card
• ENGLISH LIVES UP TO HENLEY: Starts strong | Card
  

Roberto Castro carded a 5-under 67 and shares the 36-hole lead with James Hahn in La Quinta. But there are a number of multiple PGA TOUR winners close behind. Round 2 wrap-up

• HUMANA: Leaderboard | Five for Friday | Tee times
  
• HIGHLIGHTS: Mickelson birdie  | Kuchar  | Henley eagle 
• MORE: Round 2 recap  | Shot of the Day  | TOUR Today 
  
• INTERVIEWS: Kuchar  | Hahn  | Mickelson  | Howell 
• MICKELSON CONFIDENT: Looks to build on 67 | Card
• HAHN SOAKS IT UP: Finds himself in lead | Card
• MCGIRT IN MIX: New dad playing well | Card
  
• AMATEURS: Leaderboard | Who's playing? 
• TOUR REPORT: News, notes from the course

Scott Stallings overcame a rib injury last season, and on Saturday opened a huge lead after a 9-under 63 in Round 3 of the Humana Challenge in partnership with the Clinton Foundation in La Quinta, Calif. Can anyone catch him? Round 3 wrap-up

• HUMANA CHALLENGE: Leaderboard | Tee times
  
• STALLINGS IN COMMAND: Healthy again | Aggressive | Card
• CINK'S WAKE-UP CALL: Lesson motivates | Card
• 59 WATCH WAS ON: Stuard had it going | Card
• VIDEO: Stallings eagle  | Mickelson birdie  | Snedeker 
• MORE: Round 3 recap  | Shot of the Day 
• INTERVIEWS: Stallings  | Mickelson  | Kuchar 
• SWING COMPARISON: Mickelson vs. Kuchar 
• TOUR REPORT: News, notes from the course
• AMATEURS: Leaderboard
  

More distance, along with back-to-back playoff birdies, propelled Brian Gay to his fourth career TOUR victory at the Humana Challenge in partnership with the Clinton Foundation. Wrap-up

• ROSS: Distance helps Gay to victory No. 4 
• TOUR REPORT: News, notes from the course 
• FEDEXCUP: Gay to No. 1 | Winners | Leaders
• GAY: Congratulate | Final putt | Interview
• HOLE-IN-ONE: Lee comes up aces   
• HOWELL: Oh so close to third victory 
• STALLINGS: Thinking positive after tough finish
• MICKELSON: Taking momentum to Torrey Pines
  
• JUNIOR COURSE REPORTERS: Rose | Payne
• MORE: Albers' observations | Video | Transcripts