 Nayelly joined PSA in 2006 and took part in the PSA World Tour until 2016, the 2015-16 PSA World Tour was her last World Tour prior to the retirement.Nayelly Hernandez represented Mexico at the 2007 Pan American Games and claimed a bronze medal as a part of the team event on her maiden appearance at the Pan American Games.In the 2011 Pan American Games she clinched gold in the women's doubles event along with Samantha Teran and settled for bronze in the team event.