Originally Posted by AtomicDumpling
That is good info.
It would be interesting to see how many pitches Leake threw in those complete games. There are two ways to overwork a pitcher. Too many innings in a season without sufficient rest between outings, and too many pitches in a game (or even an inning).
One additional factor is the pro season is much longer than the brief college season, so those innings were likely spread out more thinly for Arroyo than Leake.
Most schools start playing in Mid-February. Some play through Mid-June. That is 5 full months. The minor league season is April-August. That is 5 months.