Carlo Yaír Costly Molina (; born 18 July 1982) is a Honduran professional footballer who plays as a striker for Liga de Ascenso club Lone FC. Prior to moving to Europe, he played with Platense, where he was the top scorer of the Honduras Apertura in 2006–07. Club career Carlo Costly is the son of Anthony Costly. Despite being Honduran, he has close links to Mexico. His parents separated and his mother, soon after, married a Mexican. Costly moved to Mexico City when he was 14 years old and lived there for the following 11 years where he kicked off his football career. He had spells in the Mexican league with the reserve teams of Atlético Celaya, Monarcas Morelia, Atlas and Pumas UNAM. He moved back to Honduras where the path to international success began. Despite leaving Mexico, Costly still keeps a house in the state of Nayarit. His big chance was given to him by Club Deportivo Platense and, with them, he became the top scorer of the Honduras Apertura 2006–07, scoring ten goals in 19 games. His early success earned him a chance with Polish club GKS Bełchatów, who loaned him for half a season. Having impressed, the club spent a record €500,000 on signing him. After a while he became unsettled in Poland, and was linked in the press with a move to Football League Championship side Plymouth Argyle, and supposedly linked with League One side Leeds United, before being reported to be on trial with Premier League side Birmingham City. Costly remained at GKS Bełchatów for the time being. In January 2009, Costly joined Birmingham City of the second tier of English football on loan until the end of the 2008–09 season. He made his debut for the club on 7 February 2009, coming on as a second-half substitute in a 1–1 draw with Burnley. The loan was not made permanent at the end of the season. On 24 January 2010, Costly was bought by SC Vaslui, signing a 3.5-year contract. He was injured and treated in Italy where they told him he would recover before 2010 FIFA World Cup, but he was unable to rejoin the Honduras national football team due to FIFA rules. He then went on to sign for Atlas in Mexico, once he recovered from his injury. Costly spent the latter part of the 2011 Major League Soccer season on loan with