 Luevano turned pro in 2000 and defeated many talented veterans including a win over future IBF Featherweight Champion Cristobal Cruz.On July 14, 2007 Luevano won the Vacant WBO Featherweight Championship by upsetting an undefeated and the future Super Featherweight WBO champion Nicky Cook by K.O.On October 6, 2007, Steven Luevano (34-1, 15 KOs) defended his WBO Featherweight title, unanimously defeating 35-year-old Antonio "T-Rex" Davis (24-4) on the undercard of Manny Pacquiao and Marco Antonio Barrera.