Len Bias
Len Bias was raw and undisciplined as a college freshman, averaging 22 minutes per game to learn the ropes. However, he was getting 37 minutes per game and about 23.2 points by his senior year. This earned him many accolades, though he never made it to the NBA because his life was cut short.
Gail Goodrich
Before Lew made it to UCLA, Gail was the star. He was named player of the year for 1964 and 1965, helping to kick off the dynasty. When Alcindor arrived, it solidified the lineup and made it unbeatable.