06/17/2012 03:30 pm ET

U.S. Open LIVE: Tiger Woods And More In Action In Round 4 At Olympic Club

SAN FRANCISCO -- Tiger Woods didn't take advantage of better scoring conditions on Saturday - firing a 5-over 75 - and will now have to go low if he hopes to catch leaders Graeme McDowell and Jim Furyk.

Tiger is set to tee off at 1:50 p.m. PDT with Casey Wittenberg, who shot a 3-under 67 on Saturday.

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