The history of the two Triple-A leagues, the Pacific Coast League and the International League, from West Coast stars and the 33-inning game to the 2021 reorganization and their role as MLB's testing ground.
What the Arizona Fall League and the Caribbean, Mexican and Australian winter leagues are, why clubs send prospects there, how to read winter statistics, and what the offseason does and does not do for development.
How the pitch clock, bigger bases, pickoff limits and shift rules were tested in the minor leagues before 2023, what the major-league numbers showed afterward, and what no experiment could predict.
Why most drafted and signed players never reach the major leagues, how compounding attrition through the minor league levels works, and the injuries, skills, context and luck that turn prospects into busts.
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