Baseball Therapy: The Peak Age Thing, Part Two

Last week, I looked at the question of when hitters hit their peak and came away with the very unsatisfying answer of "it depends." Good hitters peak later. Even leaving aside the usual cries of "treat everyone as an individual!" there are different peak ages in the aggregate among different groups. The details matter. Now we are left with this question: what happens with pitchers?

Baseball Prospectus