Nate Lashley opens 6-shot lead in PGA Tour event in Detroit

Nate Lashley shot a bogey-free 9-under-par 63 on Saturday to open a six-stroke lead in the PGA Tour’s Rocket Mortgage Classic at 23-under 193.

Lashley, 36, slipped into the field at Detroit Golf Club as an alternate and the 353rd-ranked player has put himself in position to win for the first time on tour.

Lashley, the first- and second-round leader, started Saturday with a one-shot lead and pulled away with the low round of the day. J.T. Poston (66) was is his nearest challenger.

• Sung Hyun Park shot 63 and Carlota Ciganda 66 to share the second-round lead of the LPGA Tour’s Walmart NW Arkansas Championship in Rogers at 13-under 129. First-round leader Inbee Park (69) slipped into a seven-way tie for second, two strokes back.

• Steve Stricker opened a six-stroke lead in the U.S. Senior Open in South Bend, Ind., shooting a 4-under 66 and extending his bogey-free run to 48 holes. Seeking his second senior major title after winning the Regions Tradition by six strokes in May, Stricker had a tournament-record 18-under 192 total. Jerry Kelly (70) was second.

• Christiaan Bezuidenhout of South Africa shot a 2-under 69 to increase his lead to five strokes in the European Tour’s Andalucia Valderrama Masters in Spain.

NBA: Point guard Darren Collison has decided to retire after 10 seasons to focus on being a Jehovah's Witness. Collison, 31, played for the Indiana Pacers the past two seasons. He told ESPN that he decided to retire primarily to concentrate on helping the less fortunate through his faith.

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