BigRed Cob cast guys were saying there are rumors that JD, JoJo, and one other (can't remember who, D line guy I think) may grad transfer
It means there are others who are thinking about it as well who are not yet known.
I can see the narrative from one side saying they didn't buy in completely and need to go.
I can also see a different narrative where they bought in, and saw that it wasn't working and as a result, no longer believe.
I'm not sure it really matters which scenario is true or not, but from my vantage point, he has to reboot the system with some new players and see if it takes off like he originally expected it to.
I personally have little confidence this will get fixed without a change at the QB position, but doubt that is happening per Scott's recent statements implying that Adrian is going through the same processes that he also once did as a starter.
If the second reboot fails, then it's hard to say what happens next.
Regardless of the reason(s), if a player doesn't have faith in the staff or the system, they would do themselves and the program best by moving on. At the end of it all, Scott will be judged on his success or lack there of, and players need to do what is in their best interest too.