With some coaches the desire to win unfortunately trumps everything else, including the long-term health of their pitchers.
In our area, tournament pitching is regulated by innings. If a pitcher throws more than 3 innings in a day, he has to have 36 hours of rest. Over the course of a tournament, pitchers can throw a maximum of 14 innings. Regular season games are Saturday double-headers and pitchers are limited to 7 innings a week. However, there are no pitch-count rules, and we have had coaches who will allow outrageous pitch counts.
One of 27's classmates, who plays on a different team, threw 160 pitches in a 7 inning, regular season game (they won the game). This is after elbow and shoulder injuries from 2 seasons ago had side-lined his pitching completely (after the same coach had thrown him 130+ and 150+ in successive weekends). The coach was upset that the next week he walked 11 straight batters. His rationale? The kid had had a week off to rest and recuperate, he should have been ready to go again.