Philip Rivers retires from NFL after 17 seasons to 'coach high school football'

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Philip Rivers, one of the most prolific quarterbacks of the modern NFL era, has announced his retirement after 17 seasons in the league.

I can sit here and say, I can still throw it. I love to play,'" Rivers told the San Diego Union-Tribune. But that's always going to be there. I'm excited to go coach high school football."