MORELIA, Mexico, April 28 (UPI) -- Angela Park, Silvia Cavalleri and Yu Ping Lin share the lead at 9-under 137 after two rounds of the LPGA Corona Championship at Morelia, Mexico.
In Friday's second round, Park and Ping Lin both shot 8-under 65, and Cavalleri carded a 5-under 68.
All three players are vying for their initial victories on the women's tour.
"Everyone has some optimism after a good round," Park said. "But there are two more days left. I won't change anything, just go out, play like I played today and hope everything works out."
First-round leader Stacy Prammanasudh ballooned to an even-par 73 and has a share of eighth place at 6-under 140.
Defending champion and world No. 1 Lorena Ochoa (74) fell into a tie for 16th at 4-under 142.