Tiger Woods is among five players who share the first round lead at the Cadillac Championship which began Thursday at the Doral Country Club in Miami. Tiger shot 66 along with Graeme McDowell, Sergio Garcia and Freddie Jacobson among others. Phil Mickelsonh, Steve Stricker and Hunter Mahan are among those onhe shot behind. Rory McIlroy struggled to a 73 and he has not broken par yet this year.