Swede Mathias Gronberg moved into contention for a first US Tour victory when he produced a third-round 65 at the Buick Championship in Cromwell, Connecticut, today.

Phil Mickelson may have failed to hang on to two of his titles so far this season, but he made a sparkling start to his defence of the BellSouth Classic in Atlanta yesterday.

Kenny Perry finished with a 68 to secure a six-shot win at the Colonial, breaking the tournament record by three shots after finishing on 19-under-par 261 over four rounds.

First-round scores from the Disney Golf Classic, Disney Magnolia and Disney Palm Course, Lake Buena Vista, Florida (par 72, US unless stated)

Vijay Singh put himself into contention for a first victory of 2001 by claiming a share of the lead on day one of the Buick Challenge in Georgia.