Expected Games for a Player Taken Before Draft Era from Age 20
Expected Games (XG) Calculation:
We look at the history of all players taken Before Draft Era who were still on a list after age 20.
If you were to pick randomly from this group, you'd get something around the median of their future games (16.0).
We take that as the Expected Games (XG) of a player in this group.
Compare with XG for Other Groups