Four share lead at SemGroup Championship

BROKEN ARROW, Okla., May 5 (UPI) -- Nicole Castrale, Karin Sjodin, Stephanie Louden and Reilley Rankin share the lead after two rounds of the LPGA SemGroup Championship at Broken Arrow, Okla.

Castrale, who had the lead after the first round, shot an even-par 71 Saturday. She was joined by Sjodin (70), Louden (69) and Rankin (68) at 4-under 138.

Angela Stanford (71) and Mi Hyun Kim (68) were tied for fifth at 139. Katherine Hull (69), Se Ri Pak (71) and Virada Nirapathpongporn (70) were at 140.

Lorena Ochoa, the world No. 1 woman golfer, had a 71 and was tied for 10th place with six other players at 141.