Rory McIlroy is three shots off the lead heading into the third day at the Genesis Invitational.
A second-round 67 sees the World Number Three sitting in fourth on five-under-par, with Davis Thompson the outright leader on eight-under.
Seamus Power will set off from two-under at Torrey Pines later, while Shane Lowry is two-over ahead of his third round.
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