BYU has 4 scholorship QBs.  ASU has 5.  I think 2 bigger considerations are:

1) 4-9.  Who what QB wants to sign with a terrible team with an even worse offense? 

2) The direction of the offense.  This year, BYU signed 2 dual threat QBs.  The QB who ran with the 1s during spring was a dual threat QB.  Grimes has expressed a prefference for Mobile/dual threat QBs.  If I am Jacob Conover, do I want to risk being a square peg trying to squeeze into a round hole?