Appleby leads Las Vegas event

Las Vegas: Australia's Stuart Appleby fired a 6-under-par 66 on Saturday to lead by one-shot after the fourth round of the Las Vegas Invitational. Appleby, chasing his first tour win since 1999, is at 28-under heading into Sunday's final round of the 90-hole tournament. Steve Flesch is a stroke behind Appleby after carding a 68.

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