Eliminate the home run. Its time has passed. When my brother and I hit the ball in our backyard as kids, we called anything over the fence an out, because one neighbor owned prized rose bushes and she didn't like us coming over to retrieve the ball, and the other neighbor had an aggressive dog. We should make the batter ring a doorbell and ask the fans in the cheap seats for permission to climb up the wall and get the ball he hit out, then politely hand it to the umpire who registers the out.
J/k, but not entirely. The reward for a long fly ball is vastly out of proportion in today's game. It results in uppercut swings, and pitches that exploit that, and an unwillingness to swing at anything not launchable. Time for a reboot.
Babe Ruth didn't kill the game, as it turns out. Dave Kingman did.