Polly Mack fires 63 to secure Portland Classic lead

(Photo credit: Sergei Belski-USA TODAY Sports)

Polly Mack of Germany shot a career-best 63 to set the early pace at the Portland Classic on Thursday in Oregon.

Mack piled up seven birdies and an eagle at Columbia Edgewater Country Club to race out to a 9-under-par start. By day's end, she held a one-shot lead over Samantha Wagner, Russia's Nataliya Guseva and South Korea's Hyo Joon Jang. Emma Talley and Ecuador's Daniela