American qualifiers Justin Hicks, above, and Kevin Streelman carded opening round 68's to be the surprise leaders after Thursday's first round at the US Open at Torrey Pines.The heat will be well and truly on during round 2, with all the heavyweights within range. Ernie Els will be happy with a 70, Phil Mickleson is a danger man after an opening 71, and Tiger Woods recovered from 2 double-bogeys to shoot a 72.