attaching a link which shows the BCS schools attrition rates to this date. Attrition is based on players that did not complete eligibility at the school they signed with. The only area I did not include with the count is players that leave early for NFL
https://docs.google.com/spreadsheet...hFS1lSX00tTkZhZ3VxbnlOeWc&usp=drive_web#gid=0
https://docs.google.com/spreadsheet...hFS1lSX00tTkZhZ3VxbnlOeWc&usp=drive_web#gid=0