Whoriskey played her college tennis for co-head coaches Mike Patrick and Sonia-Hahn Patrick at the University of Tennessee. She recorded 92 singles victories and 113 doubles wins in her four years at UT. Her doubles total ranks fourth in school history. She was a three-time ITA All-America selection: twice in doubles (2009–10) and once in singles (2009). She captured the doubles championship at the ITA All-American Championships in 2007 and 2009, the first such wins in school history. A three time All-SEC selection, she helped lead Tennessee on its deepest postseason run since 2002 during the 2009–10 season, when the Lady Vols advanced to the quarterfinals of the NCAA Championships. Paired with teammate Natalie Pluskota, she reached the finals of the 2010 NCAA Women's Doubles Championship before falling to Hilary Barte and Lindsay Burdette of Stanford. She was named ITA National Senior Player of the Year for the 2009–10 season.
