He is also a seven-time Cuban national champion at bantamweight ( 2000–2006 ) , finishing his amateur career with a record of nearly 475 fights with 12 losses ; the last of these losses occurring in 2003 .
Guillermo Rigondeaux lost against Rencise Perez and Bekzat Sattarkhanov in 1998 , Waldemar Font in 1999 , and Aghasi Mammadov in 2003 .