Springfield High’s Carlos Hunnicutt competed at the 2013 Speedo Junior National Championships last week in Irvine, Calif. The three-time OSAA Class 5A state swimming champion qualified for his first Junior Nationals in three events, the 400-and 200-meter individual medleys, as well as the 200 butterfly. Hunnicutt, a 17-year-old senior-to-be, swam …