Buffs head coach Deion Sanders, OC Pat Shurmur and DC Robert Livingston all spoke on Tuesday.
Boulder remains a hot destination for many top transfers looking for a new home this winter.
Oatis is Colorado's second transfer portal commit along the line of scrimmage this winter.
The junior from Forth Worth, Texas started 12 games this season at center after beginning his career at James Madison.
Travis Hunter joins the late Rashaan Salaam as the second CU player to bring the top award back to Boulder.
