Mickelson surges into four-stroke lead

SCOTTSDALE, Ariz., Feb. 5 (UPI) -- Phil Mickelson grabbed a four-stroke lead Saturday after the third round of the FBR Open by posting a 5-under 66.

That put Mickelson at 14-under 199 after 54 holes.

Kevin Na, who shared the second-round lead with Mickelson, shot a 70 and is second at 10-under 203.

K.J. Choi and Harrison Frazar each had 66s to move to 204 and tied for third with Steve Flesch (67) and Kenny Perry (67).

Mickelson, the reigning Masters champion who played his college golf at nearby Arizona State, got off to a quick start Saturday.