The award, considered the most prestigious honor in Division I women's collegiate softball, recognizes outstanding athletic achievement by collegiate softball players around the country.
Ricketts, the unanimous Big 12 Player of the Year, was the only player among the three finalists to lead her team in both pitching and hitting.
She currently ranks third in the NCAA with a 0.99 ERA, third with 393 strikeouts and fifth with 33 wins.
Ricketts, the second ever Sooner to be a finalist for this award next to her sister Samantha in 2007, is second in the country allowing just 3.71 hits per seven innings.
She's also third on the Big 12 career strikeout list, fanning 1,191 throughout her three years at OU to this date.
At the plate, Ricketts ranks 11th in the country with a .558 on-base percentage and 13th with an .841 slugging percentage.
She is eighth nationally with just 49 walks.
Ricketts and the Sooners get back to action with their first game in the WCWS at 12 p.m. Thursday against South Florida.