Ron Blum is an American football official in the National Football League (NFL) since the 1985 NFL season. He joined the league as a line judge, officiating Super Bowl XXIV in 1990 and Super Bowl XXVI in 1992 and later became a referee for the start of the 1993 NFL season, replacing retired legend Pat Haggerty. Blum moved back to line judge beginning with the 2004 NFL season, and he has worked the past three seasons on the crew of refreee Tony Corrente. Wikipedia
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