The old record was set by Jeong Jang who recorded a 7-under 65 during the 2nd round at Fox Run last year.
A former member of the Arizona State golf team, Klein came within one stroke of matching her career-low round of 63 recorded during the final round of the Diet Dr. Pepper National Pro-Am in 1997.
Klein hit 12 fairways and 15 greens in regulation today while recording 11 pars, six birdies and one eagle.
This is a big move for the perky blond who thus far has recorded a mere four top-10 finishes and missed the cut seven times this year.
Klein has been a member of the LPGA Tour since her rookie year of 1995. She recorded two career victories during this time - both of which came in 1996 PING Welchs Championship, Weetabix Womens British Open.
St. Louis native Jennifer Hubbard trails the lead by three strokes as well.
Hubbard recorded six birdies and a lone bogey grabbing hold of sole possession of third place at 5-under-par 67.
Kris Tschetter (4-under-par 68) took hold of second place recording eagle on the par-5 13th, five birdies and two bogeys.
Tschetter has made incredible strides in her game as of late.
Burdened with back problems ' a side effect of her hip injury - its not uncommon to see Kris parked in the middle of the fairway in the Coleman chair her caddie carries around for her.
Sherri Turner joined Tschetter at 4-under-par late in the day.
Leta Lindlay teed off the back nine and opened with four strait birdies before making bogey on the par-4 14th. Lindlay was 2-under through the 9th.
Juli Inkster made her first tournament appearance at Fox Run Golf Club today. The course in turn gave her a run for her money. Inkster closed out the day at 1-under-par 71.
The Hall of Famer found herself in trouble on the par-5 16th. A errant second shot jettisoned her ball into the trees to the right of the green and Inkster, a 25-time winner on the LPGA Tour, followed suit by failing to get it up and down with a chip shot that left her only slightly ahead of where she was and still in the rough. She made double-bogey.
Jill McGill moved to 3-under today prior to recording double-bogey on the 17th.
Defending champion Lorie Kane shot even par 72 today while Nos. 1 and 2 on the money list Annika Sorenstam Annika Sorenstam and Karrie Webb were tied at 1-under through the 7th and 6th holes respectively.
Webb teed off number 10 and finished the backside in 36 strokes with two bogeys and two birdies to make the turn tied for 33rd place at even par.
Sorenstam also teed off the back nine this afternoon. She recorded three birdies and a bogey through the par-4 2nd to move to 2-under-par through her 11th hole of the day.
135 players will continue to jockey for the lead and the $120,000 first prize monies. The cut will be made Saturday after the completion of 36 holes. Low 70 scores and ties will make it into the final round.
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