I agree with the idea of filling all your scholarships up with players that fit your needs, but to just put a guy on your team to fill a spot is not always a good thing. Most of your one year transfers expect to play. If they just sit the bench and fill a roster spot they will potentially bring a bad attitude to the team causing chemistry issues. If you give a scholarship to a walk-on at least it is a reward for effort and hard work. Best case scenario is to fill all 13 spots with kids that fit your needs, but it is not always that easy.