Rodriguez had an 84 – 9 record and won the USA Boxing Championships 2005 and the National Golden Gloves 2006 as a middleweight ( 165 pounds ) . Rodriguez was training for the USA Olympic qualifiers for the 2008 Summer Olympics when his pregnant fiancee delivered twins born 16 weeks premature . Rodriguez chose to dedicate his time to his family and eventually lost in the final qualifier for the Olympic box-offs . Following the Boston Marathon bombing , Rodriguez revealed that he had previously sparred with suspect Tamerlan Tsarnaev in 2010 and expressed regret that he had " slowed down " when he had Tsarnaev hurting 2 rounds into their sparring session
Boston Marathon bombing
Boston Marathon bombing
Edwin Rodríguez (boxer)