 On September 15, 2012 Alcine faced Irish brawler and two-time World Title challenger Matthew Macklin (at the time 28-4, 19 KO's) on the HBO PPV Undercard of Julio César Chávez Jr. vs. Sergio Martinez for the WBC World Middleweight Title in the Thomas & Mack Center, Las Vegas.Macklin was coming off an extremely controversial split decision loss to WBA Super World Middleweight Champion Felix Sturm, and an 11th-round TKO loss to Lineal Middleweight champion Sergio Martinez on St. Patrick's day.Alcine was knocked down twice and the referee stopped the fight with about 30 seconds left in the round giving Macklin a 1st-round TKO victory.