[1] Competing at the 2006 International Racquetball World Junior Championships in Arizona, Key won her age group in the singles event.

[9][10] Key also represented the USA at the 2016 Pan American Championships in San Luis Potosí, where she partnered with Kelani Bailey in Women's Doubles.

Key also played singles in San Luis Potosí, and lost in the quarterfinals to Gabriela Martinez of Guatemala, 15-7, 10-15, 11-7.

[12] Key played Women's Singles for the USA at the 2016 World Championships in Cali, Colombia, where she lost in the Round of 32 to Mariana Tobon of Venezuela, 4-15, 15-9, 11-4.

Key was the 2011 USA Racquetball Intercollegiate Champion in Women's Singles, as she defeated Sharon Jackson in the final, 15-11, 15-14.

[17] Key was runner-up at the 2016 USA Racquetball National Singles Championships in Highlands Ranch, Colorado, where she lost to Rhonda Rajsich in the final, 15-7, 15-7.

[citation needed] Key and her sister Danielle were runners up at the 2013 USA Racquetball National Doubles championship, losing the final to Aimee Ruiz and Janel Tisinger, 15-6, 15-8.

[20] Perhaps Key's best pro result is a semi-final finish at the 2016 Paola Longoria Experience tournament in San Luis Potosí.

[citation needed] She also participated in the 2014 edition of the Paola Longoria Experience in the women's double event with Canadian partner Frederique Lambert.

[24] In 2015, she reached the finals of the Open de Cali in Colombia while playing with Lambert, only to lose to Paola Longoria and Samantha Salas Solis in sets of 10-15, 15-10 and 11-5.