Jefferson injured his right ankle in the Sooners' win over Florida A&M on Sept. 8.
Late in the first quarter against FAMU, Jefferson hobbled off the field, got his ankle taped and returned a play later. He walked off the field hurt again after that play. That's when the trainers put Jefferson in a boot and had him sit out the rest of the game.
"If it was a tighter, tougher game he could have probably played," Stoops said then, "but we didn't feel we needed to do that."
Stoops met with the media on Monday to set up the Sooners' showdown with No. 15 Kansas State.
Here is a look at what else Stoops had to say on Monday: