Cornerbacks who have confirmed formal interviews with the Chiefs include Louisville's Jaire Alexander, Tennessee's Rashaan Gaulden, Auburn's Carlton Davis, Louisiana State's Donte Jackson and Wisconsin's Nick Nelson.
Trey Walker of Louisiana-Lafayette, a safety, has also confirmed a formal interview with the Chiefs.
Linemen who have confirmed formal interviews with the Chiefs include: defensive end Jalyn Holmes of Ohio State, defensive end Duke Ejiofor of Wake Forest, defensive tackle Nathan Shepherd of Fort Hays State and defensive end Davin Bellamy of Georgia.
Mahomes will take over from Smith as the starter.