Here are a few of reasons why its a terrible idea.
1. If the Irish are in such a desperate need for a thumperback, they should have given Bobby Burger a fifth year.
2. Having our best defensive player running plays with the offense, makes as much sense as Floyd playing safety or as a nickel back.
3. Short yardage/goalline are the most brutal plays in football. Having our star linebacker take a helmet to the knee or cracking his ankle on a short yardage play would be a complete waste.
4. I can name 5 other players which are better suited to run as a fullback/Thumperback. Ragone, Carlo, Kona, Lynch and Moore.
5.The Irish have an abundance of tight ends and defensive ends, they should be given a chance to run short yardage. Not the best defensive player the Irish have had since Justin Tuck.
I have a man crush on Manti as much as the next Irish fan, but putting unnecessary wear and tear on his body is just a dumb idea. This season much like last, he will have every OC the Irish play making sure someone has a helmet on him every play. I just don't see how putting the teams best defensive player in a vulnerable position where there is the potential for a severe injury to benefit the team as a whole. Especially when there are other less valuable (
non starters) players who could fill the role.