BLAINE, Minn. — Adrenaline is about the only thing keeping Mark Wiebe going.
Playing well isn't hurting, either.
Wiebe followed his Senior British Open playoff victory with an 8-under 64 on Friday in the first round of the 3M Championship to take a one-stroke lead over Kenny Perry and Corey Pavin.
"Good for him," Perry said. "Here he is with no sleep, running on fumes and shooting 8 under."
Four days after beating Bernhard Langer on the fifth extra hole in a Monday finish at Royal Birkdale, Wiebe had eight birdies in a bogey-free round at the TPC Twin Cities.
He birdied five of the last seven holes on the front nine, including a 35-foot putt on the fifth hole and a birdie from off the fringe on No. 7. After each of those putts, playing partners Nick Price and Jay Haas told Wiebe to "Keep riding that pony."
Wiebe, who has just three top-25 finishes in 15 tour starts this year, added birdies on Nos. 12, 14 and 16. He had only 25 times at a course where his previous low score in 10 rounds was 69.
"I felt like I was reading the greens better than I have," Wiebe said. "Maybe I need to be exhausted to play this golf course or to read the greens correctly."