QB Anthony Richardson Sr. returns to practice

The Colts released their second injury report of the week on Thursday leading into a primetime matchup against the Kansas City Chiefs Sunday night.

Three players who were limited or not participating Wednesday were back in a full capacity Thursday: linebacker Austin Ajiake, wide receiver Keenan Allen and quarterback Anthony Richardson Sr..

Similar to Wednesday, defensive tackle DeForest Buckner and linebacker Akeem Davis-Gaither (knee) were full participants.

Alec Pierce (heel) did not participate, after being listed as a full participant Wednesday. Wide receiver Ashton Dulin (ankle), running back D.J. Giddens (knee) and defensive tackle Grover Stewart (personal matter) also did not participate.