Steven fought on the Mexican National amateur team. He is the 1997 National Jr. Olympic amateur champion at 119 pounds and had almost 300 amateur bouts before entering the pro ranks.
On July 14, 2007 Luevano won the Vacant WBO Featherweight Championship by upsetting an undefeated and the futureSuper Featherweight WBO champion Nicky Cook by K.O. On October 6, 2007, Steven Luevano defended his WBO Featherweight title, unanimously defeating 35-year-old Antonio "T-Rex" Davis on the undercard of Manny Pacquiao and Marco Antonio Barrera. On March 15 Luevano defended his title magnificently against Thailands Terdsak Jandaeng winning unanimously. In this pay-per-view fight he landed a featherweight boxing record for most jabs landed. Even though Steven was born in the United States, he came to the ring with the Mexican flag instead, thus leading the boxing world to believe the fact that Luevano was a Mexican boxer. Steven Luevano was tested in his 3rd defense against Mario Santiago on the David Diaz-Manny Pacquiao undercard at Mandalay Bay Events Center on June 28, 2008. Luevano retained his 126-pound belt via split draw against Santiago. Judge Harry Davis scored it 117-111 for Luevano, Duane Ford had it 115-113 for Santiago and Dave Moretti had it 114-114. ESPN.com also had it 114-114. Luevano landed 215 of 641 punches while Santiago connected on 214 of 835. On October 18, 2008, Luevano defeated Billy Dib of Australia for his 4th defense by unanimous decision. On August 15, 2009, Luevano successfully defended his title via disqualification against Bernabe Concepcion. Luevano was ahead on the scorecards when Concepcion landed late blows after the bell at the end of the seventh round, resulting in Concepcion being disqualified. Luevano ultimately lost his title on January 23, 2010 as he was stopped in the 7th round by former WBO junior bantamweight champion Juan Manuel Lopez. This was his only knockout loss.
Retirement
While only 29 years old and still in his prime, Steven decided to retire from boxing, following his loss to Juan Manuel Lopez. During his professional career, Steven Luevano won the WBO NABOSuper Bantamweight, WBC Continental Americas Featherweight, WBO NABO Featherweight, and made six defences of his WBO Featherweight Championship.
