MORELIA, MEXICO- APRIL 24: Lorena Ochoa of Mexico reacts to a missed birdie putt on the 9th hole during the second round of the 2009 Corona Championship, part of the LPGA Tour, on April 24, 2009 at the Tres Marias Golf Club in Morelia, Michoacan, Mexico. Ochoa leads the tournament after two rounds with a 16-under par. (Photo by Donald Miralle/Getty Images)
MORELIA, MEXICO- APRIL 24: Suzann Pettersen of Norway tees off the 4th hole during the second round of the 2009 Corona Championship, part of the LPGA Tour, on April 24, 2009 at the Tres Marias Golf Club in Morelia, Michoacan, Mexico. Pettersen is 13-under par after two rounds. (Photo by Donald Miralle/Getty Images)
MORELIA, MEXICO- APRIL 24: Suzann Pettersen of Norway looks on the 5th hole during the second round of the 2009 Corona Championship, part of the LPGA Tour, on April 24, 2009 at the Tres Marias Golf Club in Morelia, Michoacan, Mexico. Pettersen is 13-under par after two rounds. (Photo by Donald Miralle/Getty Images)
MORELIA, MEXICO- APRIL 24: Suzann Pettersen of Norway hits out of the bunker on the 5th hole during the second round of the 2009 Corona Championship, part of the LPGA Tour, on April 24, 2009 at the Tres Marias Golf Club in Morelia, Michoacan, Mexico. Pettersen is 13-under par after two rounds. (Photo by Donald Miralle/Getty Images)
MORELIA, MEXICO- APRIL 24: Silvia Cavalleri of Italy reacts to a birdie putt on the 18th green during the second round of the Corona Championship at the Tres Marias Golf Club on April 24, 2009 in Morelia, Michoacan, Mexico. (Photo by Donald Miralle/Getty Images)
MORELIA, MEXICO- APRIL 24: Shanshan Feng of China hits out of the 5th green bunker during the second round of the Corona Championship at the Tres Marias Golf Club on April 24, 2009 in Morelia, Michoacan, Mexico. (Photo by Donald Miralle/Getty Images)
MORELIA, MEXICO- APRIL 24: Anna Rawson of Australia walks on the 8th fairway during the second round of the Corona Championship at the Tres Marias Golf Club on April 24, 2009 in Morelia, Michoacan, Mexico. (Photo by Donald Miralle/Getty Images)
MORELIA, MEXICO- APRIL 24: Paula Creamer of the USA tees off the 11th hole during the second round of the Corona Championship at the Tres Marias Golf Club on April 24, 2009 in Morelia, Michoacan, Mexico. (Photo by Donald Miralle/Getty Images)
MORELIA, MEXICO- APRIL 24: Silvia Cavalleri of Italy tees off the 11th hole during the second round of the Corona Championship at the Tres Marias Golf Club on April 24, 2009 in Morelia, Michoacan, Mexico. (Photo by Donald Miralle/Getty Images)
MORELIA, MEXICO- APRIL 24: Paula Creamer of the USA waves to the crowd on the 9th hole during the second round of the Corona Championship at the Tres Marias Golf Club on April 24, 2009 in Morelia, Michoacan, Mexico. (Photo by Donald Miralle/Getty Images)
MORELIA, MEXICO- APRIL 24: Na Yeon Choi of South Korea tees off the 6th hole during the second round of the Corona Championship at the Tres Marias Golf Club on April 24, 2009 in Morelia, Michoacan, Mexico. (Photo by Donald Miralle/Getty Images)
MORELIA, MEXICO- APRIL 24: Kristy McPherson lines up her putt on the 17th green during the second round of the Corona Championship at the Tres Marias Residential Golf Club on April 24, 2009 in Morelia, Michoacan, Mexico. (Photo by Donald Miralle/Getty Images)
MORELIA, MEXICO- APRIL 24: Kristy McPherson hits off the 17th fairway during the second round of the Corona Championship at the Tres Marias Residential Golf Club on April 24, 2009 in Morelia, Michoacan, Mexico. (Photo by Donald Miralle/Getty Images)
MORELIA, MEXICO- APRIL 24: Ai Miyazato looks on the 6th hole during the second round of the Corona Championship at the Tres Marias Residential Golf Club on April 24, 2009 in Morelia, Michoacan, Mexico. (Photo by Donald Miralle/Getty Images)
MORELIA, MEXICO- APRIL 24: Morgan Pressel hits off the 5th fairway during the second round of the Corona Championship at the Tres Marias Residential Golf Club on April 24, 2009 in Morelia, Michoacan, Mexico. (Photo by Donald Miralle/Getty Images)
MORELIA, MEXICO- APRIL 24: Alena Sharp of Canada hits a hole-in-one on the 6th hole during the second round of the Corona Championship at the Tres Marias Residential Golf Club on April 24, 2009 in Morelia, Michoacan, Mexico. (Photo by Donald Miralle/Getty Images)
MORELIA, MEXICO- APRIL 24: Vicky Hurst tees off the 11th hole during the second round of the Corona Championship at the Tres Marias Residential Golf Club on April 24, 2009 in Morelia, Michoacan, Mexico. (Photo by Donald Miralle/Getty Images)
MORELIA, MEXICO- APRIL 24: Amatuer Regina Plasencia of Mexico hits off the 11th fairway during the second round of the Corona Championship at the Tres Marias Residential Golf Club on April 24, 2009 in Morelia, Michoacan, Mexico. (Photo by Donald Miralle/Getty Images)
MORELIA, MEXICO- APRIL 24: Vicky Hurst hits out of the rough on the 10th fairway during the second round of the Corona Championship at the Tres Marias Residential Golf Club on April 24, 2009 in Morelia, Michoacan, Mexico. (Photo by Donald Miralle/Getty Images)
MORELIA, MEXICO- APRIL 24: Alena Sharp of Canada hits a hole-in-one on the 6th hole during the second round of the Corona Championship at the Tres Marias Residential Golf Club on April 24, 2009 in Morelia, Michoacan, Mexico. (Photo by Donald Miralle/Getty Images)
MORELIA, MEXICO- APRIL 24: Alena Sharp of Canada hits a hole-in-one on the 6th hole during the second round of the Corona Championship at the Tres Marias Residential Golf Club on April 24, 2009 in Morelia, Michoacan, Mexico. (Photo by Donald Miralle/Getty Images)
MORELIA, MEXICO- APRIL 24: Michelle Wie tees off the 6th hole during the second round of the Corona Championship at the Tres Marias Residential Golf Club on April 24, 2009 in Morelia, Michoacan, Mexico. (Photo by Donald Miralle/Getty Images)
MORELIA, MEXICO- APRIL 24: Michelle Wie tees off the 6th hole during the second round of the Corona Championship at the Tres Marias Residential Golf Club on April 24, 2009 in Morelia, Michoacan, Mexico. (Photo by Donald Miralle/Getty Images)
MORELIA, MEXICO- APRIL 24: Michelle Wie tees off the 6th hole during the second round of the Corona Championship at the Tres Marias Residential Golf Club on April 24, 2009 in Morelia, Michoacan, Mexico. (Photo by Donald Miralle/Getty Images)
MORELIA, MEXICO- APRIL 24: Michelle Wie hits out of the green bunker on the 5th hole during the second round of the Corona Championship at the Tres Marias Residential Golf Club on April 24, 2009 in Morelia, Michoacan, Mexico. (Photo by Donald Miralle/Getty Images)
MORELIA, MEXICO- APRIL 24: Michelle Wie tees off the 5th hole during the second round of the Corona Championship at the Tres Marias Residential Golf Club on April 24, 2009 in Morelia, Michoacan, Mexico. (Photo by Donald Miralle/Getty Images)
MORELIA, MEXICO- APRIL 24: Michelle Wie reacts to a birdie putt on the 2nd hole during the second round of the Corona Championship at the Tres Marias Residential Golf Club on April 24, 2009 in Morelia, Michoacan, Mexico. (Photo by Donald Miralle/Getty Images)
MORELIA, MEXICO- APRIL 24: Michelle Wie hits off the 2nd hole fairway during the second round of the Corona Championship at the Tres Marias Residential Golf Club on April 24, 2009 in Morelia, Michoacan, Mexico. (Photo by Donald Miralle/Getty Images)
MORELIA, MEXICO- APRIL 24: Angela Oh reacts to a birdie putt on the 2nd hole tees off the hole during the second round of the Corona Championship at the Tres Marias Residential Golf Club on April 24, 2009 in Morelia, Michoacan, Mexico. (Photo by Donald Miralle/Getty Images)
MORELIA, MEXICO- APRIL 24: Michelle Wie looks on the fairway with her caddie on the 5th hole during the second round of the Corona Championship at the Tres Marias Residential Golf Club on April 24, 2009 in Morelia, Michoacan, Mexico. (Photo by Donald Miralle/Getty Images)
MORELIA, MEXICO- APRIL 24: Michelle Wie and caddie walk on the bridge on the 5th hole during the second round of the Corona Championship at the Tres Marias Residential Golf Club on April 24, 2009 in Morelia, Michoacan, Mexico. (Photo by Donald Miralle/Getty Images)
MORELIA, MEXICO- APRIL 24: Michelle Wie and caddie walk on the bridge on the 5th hole during the second round of the Corona Championship at the Tres Marias Residential Golf Club on April 24, 2009 in Morelia, Michoacan, Mexico. (Photo by Donald Miralle/Getty Images)