Imagine stumbling upon a future NFL generational quarterback by accident.

Well, that's exactly what happened to the Kansas City Chiefs , and it's so far brought the storied franchise three Super Bowls .

In ESPN Originals' 'The Kingdom' documentary -- a six-part series charting Kansas City's pursuit of a three-peat -- which debuted on Monday, Chiefs general manager Brett Veach discussed how Patrick Mahomes first came across his radar as a potential draft pick.

Mahomes attended Whitehouse High School before entering his freshman season as the backup to Davis Webb at Texas Tech in his home state after then-head coach Kliff Kingsbury recruited him.

After Webb - who is now part of the Denver Broncos coaching staff - picked up an injury, Mahomes took over the starting job, while s

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