[rudy45]

At the end of the game, why did Kansas do a “regular” free kick? Why didn’t they try an “onsides free kick,” assuming it’s even possible or legal: that is, kick the ball the minimum 10 yards, then try to recover the free kick as they would a kickoff?

[BOBWADE]

Onside kicks must be from the tee

[Zack Attack]

At the end of the game, why did Kansas do a “regular” free kick? Why didn’t they try an “onsides free kick,” assuming it’s even possible or legal: that is, kick the ball the minimum 10 yards, then try to recover the free kick as they would a kickoff?

Don't know. The free kick after a safety follows the same rules as a kickoff in that once the ball travels 10 yards it is a free ball, whether punted, dropkicked or placekicked with a spotter.