Wyoming native Tom Browning is one of only 23 pitchers to throw a perfect game. He's also the only player to ever leave the stadium during a World Series game, then get called back to the ballpark on live television.
Jerry DePoyster is one of only two kickers from the University of Wyoming to play in the NFL. During the height of his professional career, he left the game to serve his country during the Vietnam War.
In 1903, a Cheyenne architect invented a new contraption to hang infamous bounty hunter Tom Horn. Unfortunately, the device didn't work and Horn dangled from the noose for 17 minutes.