If Jay Haas is to win his third Charles Schwab Cup, he's going to have to put up a very strong performance at the season-ending Charles Schwab Cup Championship. Approach Shots

• ROUND 1 TEE TIMES: Charles Schwab Cup Championship
• CHAMPIONS TOUR INSIDER: A closer look at the top four
• THIS WEEK: Power Rankings | Inside Sonoma Golf Club
• SONOMA: Lehman withdraws due to family emergency

Evidently, Phil Blackmar's victory last week wasn't a sweet enough finish to the season. He's in contention again. Story

• CARDS: Sluman | Roberts | Langer | Funk | Haas | Blackmar
• MORE SONOMA: Tee times | Photos | Round 1 notes
• RACE FOR THE CUP: The four contenders | Full standings
• MORE: Lehman withdraws due to family emergency

Thanks to a 62 Friday, John Cook has a three-shot lead at the season-ending Charles Schwab Cup Championship. Story

• LEADERBOARD: Watson, Blackmar among those chasing
• Notebook | CARDS: Cook | Watson | Blackmar | Cochran
• WATCH: Blackmar birdies 18 | Cook birdies 9
• SCHWAB CUP: A closer look at the top four | Standings

John Cook has just two bogeys all week in Sonoma. As a result, he has a six-shot lead going to the final round. Story

• Leaderboard | Round 4 Tee Times | Round 3 notebook
• SCORECARDS: Cook | Cochran | Bryant | Watson | Mize
• VIDEO: All the highlights from the course at Sonoma G.C.
• SCHWAB CUP: A closer look at the top four | Standings

John Cook cruised to a five-shot win in the season-finale, while Loren Roberts held on to take the Charles Schwab Cup. Story

• Results | Leaderboard | SCORECARDS: Cook | Roberts
• NOTEBOOK: Final round | Video highlights | Interviews
• ROBERTS INTERVIEW: 'One of my best accomplishments'
• Final Schwab Cup standings | Photos: Past champs