5’3”...Started playing golf at the age of 14...Qualified for the Tour on her second attempt.
Competed in four tournaments in 2012.
In 2011, finished 75th at the Kraft Nabisco Championship.
In 2010, best finish was a tie for 21st at the HSBC Women's Champions; ranked Rolex Rankings No. 95 as of Monday,October 4, 2010.
In 2009, became the season's third Rolex First-Time Winner at the Jamie Farr Owens Corning Classic Presented by Kroger,where she earned a career-low 61 in the third round; became the fifth player in LPGA history to card three eagles in a round at the LPGA Corning Classic with eagles on the first, second and fifth holes and ended the round with a 3-under-par 69.
In 2008, recorded a career-best tie for 11th at Safeway Classic Presented by Pepsi; carded a career-low 66 in the second round of the P&G Beauty NW Arkansas Championship Presented by John Q. Hammons.
In 2007, played on the Duramed FUTURES Tour; tied for 25th at the LPGA Final Qualifying Tournament to earn non-exempt status for the 2008 LPGA season.,br>
In 2006, turned professional in March and competed on the Duramed Futures Tour.
Yi won the 2005 U.S. Women’s Amateur Public Links Championship. She also competed in the 2005 U.S. Girls’ Junior Championship and the 2005 U.S. Women’s Amateur Championship.