Tacoma's Michael Putnam shows a little more fire and disappointment than the average professional golfer.

He'll tell you when he feels unbeatable.

He'll tell you when he sucks.

On Friday at the Nationwide Tour's Utah Classic, Putnam made the tournament's biggest move – 93 spots – after firing an 8-under-par 63 at Willow Creek Country Club in Sandy, Utah, tying his career-best score.

In 2005, just days after turning pro from Pepperdine, Putnam shot a 63 in the final round of the PGA Tour's Buick Championship, helping him earn his largest to-date paycheck – $177,733.

On the Nationwide Tour, Putnam has shot 64 twice, including the 2006 Utah Energy Solutions on this same course in north central Utah.

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This week: Nationwide Tour's Utah Classic, Thursday through Sunday, Willow Creek Country Club, Sandy, Utah.

Second-round score: 8-under-par 63.

Position: Putnam (8-under 134) is tied for seventh, six strokes behind leader Marc Leishman (128).

Recap: The Tacoma native called the last couple weeks "the more frustrating" time as a professional. His ball-striking sagged, so much, he admitted he's gone through 40 different swing thoughts. So what changed Friday when Putnam matched his lowest round as a professional? "I walked to the tee with a 41st swing thought," he quipped. Whatever it was, it worked – he hit 17 of 18 greens in regulation, and made seven birdies and an eagle, which he converted by making a 20-foot putt. Putnam's only other 63 came in his first event as a professional – the 2005 Buick Championship – where he received a sponsor's exemption.

Tee time Saturday: 1:25 p.m. PDT with Spencer Levin.