Matches in DBpedia 2015-10 for { ?s ?p "Alberto "Al" Riveron (born 1960) is the Senior Director of Officiating of the National Football League (NFL).From the 2004 to the 2012 seasons, he served as an on-field official for the league, wearing uniform number 57. He first served as a side judge before being promoted to referee (crew chief) in 2008 following the retirements of Gerald Austin and Larry Nemmers. Riveron was the first referee of Hispanic origin in NFL history."@en }
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- Alberto_Riveron comment "Alberto "Al" Riveron (born 1960) is the Senior Director of Officiating of the National Football League (NFL).From the 2004 to the 2012 seasons, he served as an on-field official for the league, wearing uniform number 57. He first served as a side judge before being promoted to referee (crew chief) in 2008 following the retirements of Gerald Austin and Larry Nemmers. Riveron was the first referee of Hispanic origin in NFL history.".