HOUSTON -- Milo Hamilton, a Hall of Fame broadcaster who called Hank Aaron's historic 715th home run in 1974, has died.

The Houston Astros announced the death of their longtime play-by-play man on Thursday. He was 88. A cause of death was not immediately released.

Hamilton spent 60 years broadcasting MLB games, and was working for WSB Radio in Atlanta when Aaron became the all-time home run leader on April 8, 1974. Hamilton later said it was the highlight of his career.

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Hamilton joined the Astros in 1985 and retired following the 2012 season. Hamilton since 2013 served as a guest radio commentator for select home games.

Astros president of business operations Reid Ryan says Hamilton was a ''true icon'' whose contributions to the game and beyond will be remembered always.