Samuel as Running Back

I know this is old news, but I can't get too excited about it.  One one hand, Samuel had his shot at TB, was serviceable, but is a natural linebacker. The running back deal was a recruiting promise kept.  Why wait to make the switch back now, especially considering they knew King was on thin academic ice and Ealey was out? On the other hand, if the coaches need to find another body to ensure the necessary depth to run the play book, who else do they pick?

There are two things that come to mind:  One, they just don't trust one of the players they have at their disposal to be the player(s) they need at tailback, either as a co-number one or as a primary back up. That is puzzling and a bit strange.  And scary as hell.  Two, had Samuel been at LB his whole career, the coaches would not have to worry about moving him, as I believe he'd be too important to the defense to move around. 

The constant position swapping is putting players' careers in bad places and is wasting talent. I realize we are very deep at places on the defense, but damn. At least Richard is in a good place about it.