Cory Spinks welterweight titles in 1997. Spinks went 29-2 in his first 31 contests, only losing to Antonio Díaz (regarded as a controversial decision by some boxing analysts and ringside observers) and Michele Piccirillo, whom he defeated by decision in a re-match. However, Spinks rose to boxing stardom by unifying the WBC, WBA, IBF, and "The Ring" and lineal welterweight titles on December 13, 2003, when he defeated Ricardo Mayorga by majority decision. Spinks was a 5 to 1 underdog going into the fight with Mayorga. The judges scored the fight 114-112, 117-109, 114-114, favoring Spinks. Spink' first Welterweight title defense came
Cory Spinks in a fight with Verno Phillips at the Scottrade Center in St. Louis, Spinks lost the IBF Junior Middleweight Championship via controversial split decision. On April 24, 2009, Spinks reclaimed the vacant IBF Junior Middleweight Championship in a close split-decision victory over fellow St. Louis native Deandre Latimore. Spinks fought back after suffering a 1st round knockdown to win by the scores of 115-112 Spinks, 115-112 Latimore and 114-113 Spinks. The fight was held at the Scottrade Center in St. Louis. On August 7, 2010, after a five-month delay due to scheduling conflicts, Spinks lost the IBF Junior Middleweight Championship