-parents of 5 yr olds who have never played tball who insist their girls play coach pitch softball, because if they played tball, it would be with boys, and it uses baseballs, which is for boys (never mind that their girls cannot get a good grip on 11 inch softball)
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I've seen D1 schools warm up with baseballs just to keep their arm action loose and whippy so yeah, good for girls to start with baseballs