mgl:
In the early years, if a player aged well very early on, he did not gain much toward his peak. If a player did not age well very early on, he gained a lot toward his peak. From the peak to around age 31, both groups aged at about the same rate, although the “good aging” group aged ever so slightly better. After age 31 though, the group that aged well continued to age better than the group that did not age well. I hope that makes some sense. …