Training for velocity has led muscle strength to out run the strength of tendons and ligaments to support them. That’s why so many are now needing Tommy John surgery, to repair torn up ligaments.
I went to a Kansas City A’s kids’ day in 1957, I believe a guy named Harry kraft was either GM or the manager, I remember well, he said, “boys don’t try to throw a curve until you’re 16. “
This is a huge part of it. Programs and scouts pretty much discount soft tossers, they never get a chance to develop their craft. Supposedly it makes sense financially, why wait around for a crafty lefty to develop when you have 20 guys that throw 95+ and two might make the majors. It’s one of the major reasons we probably won’t see regular knuckleball starting pitching again.
FReegrads