Byron Nelson was a contemporary of Snead's and winner of five Majors between 1937 and 1945.

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This year Byron Nelson, for the final time, and Sam Snead, will carry out the honours.

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Oberholser had been on target for the feat at the Byron Nelson Championship before he two-putted the 18th.

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Coupled with his win at the 2011 HP Byron Nelson Championship, Bradley's efforts saw him crowned as the PGA Tour Rookie of the Year.

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But a 5th major would throw him in a class with Byron Nelson and the recently departed Seve Ballesteros while shrinking the afore-mentioned list to 12.

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Woods was in a group of nine players on 66, as he moved within 18 holes of matching the PGA Tour record of making 113 consecutive cuts, equalling Byron Nelson's run in the 1940s.

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Three-time major winner Mickelson was due to play at the Byron Nelson Championship starting on Thursday and defend his title at Colonial next week -- but has withdrawn to be alongside his wife, Amy.

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The 34-year-old Dufner, who has never won on the PGA Tour, is a surprise leader having missed five of his last six cuts, but 25-year-old rookie Bradley has been a revelation in his first season, winning the prestigious Byron Nelson Classic earlier this year.

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