US PGA Tour
May 17-20 HP Byron Nelson Championship, TPC Four Seasons Resort, Irving, Texas, $6,500,000. Last year's winner: Keegan Bradley
US PGA Nationwide Tour
May 17-20 BMW Charity Pro-Am presented by SYNNEX Corporation, Thornblade Club, Greer, South Carolina, Greenville Country Club, Greenville, South Carolina, The Carolina Country Club, Spartanburg, South Carolina, $600,000. Last year's winner: Garth Mulroy
European PGA Tour
May 17-20 Volvo World Match Play Championship, Finca Cortesin, Casares, Andalucía, Spain, €2,750,000. Last year's winner: Ian Poulter
OneAsia Tour
May 17-20 SK Telecom Open, Pinx GC, Korea, $785,000. Last year's winner: Kurt Barnes
US LPGA Tour
May 17-20 Sybase Match Play Championship, Gladstone, NJ, $1,500,000. Last year's winner: Suzann Pettersen
PGA of Australia Pro-Ams
May 16-17 Port Macquarie Better Homes Pro-Am, Port Macquarie Golf Club, NSW/ ACT, $20,000
May 16-17 Blackwater Mine Workers Pro-Am, Blackwater Golf Club, QLD, $25,000
May 16 Yanchep Golf Estate Sun City Pro-Am 2012, Sun City Country Club, WA/NT, $10,000
May 17 2012 Schweppes Pro-Am at Maylands Peninsula Golf Course, Maylands Peninsula Public Golf Course, WA/NT, $10,000
May 18 Melville Glades Pro-Am, Melville Glades Golf Club, WA/NT, $10,000
May 19-20 Wauchope BDM Constructions & Wauchope Real Estate Pro-Am, Wauchope Country Club, NSW/ ACT, $17,500
May 19-20 Valley Longwall International Conveyor Division Emerald Pro-Am, Emerald Golf Club, QLD, $25,000
May 21 Alcoa Pinjarra Golf Club Centenary Pro-Am, Pinjarra Golf Club, WA/NT, $10,000
May 21 Runge Mining Towns Ladies Masters, Tieri Golf Club, QLD
May 22 Kennedy Bay Pro-Am, The Links Kennedy Bay, WA/NT, $10,000