stats per 40 minutes played.
https://www.sports-reference.com/cbb/players/jeremiah-tilmon-1.html
In four years his points per 40 minutes went up one point and rebounds went up 2. The improvement in four years was only his ability to stay on the floor longer. His game did not progress at all.
That is sad because after his freshman year he looked like he could be one of the top bigs in Mizzou history. His final numbers are indistinguishable from Kevin Puryear's.