Five of the last seven winners of the Milwaukee Open have been 40 or older, a trend the 44-year-old Blake would like to continue.
Kirk Triplett, who turned 41 in March, was alone in second with a 65.
Blake's lone PGA win came in the 1991 Shearson Lehman Brothers Open. He has missed the cut in his last three events and his best finish this season was a tie for 28th at the Capital Open.
Kenny Perry returned to action this week and shot a 69 at the Brown Deer Park Country club. Perry's last three starts have included wins at the Colonial and Memorial and a third at the U.S. Open.
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