Looking at running backs for that role, Elijah Mitchell fits as a mid-to-late round pick. He is Louisiana's all-time leading rusher: 4045 yards, 50 TD's, and a whopping 8.9 ypc.
9.51 RAS Score
5' 10+
201 lbs.
17 benches
37.5 vertical jump
10' 8" broad jump
4.35 40
2.44 20 split
1.51 10 split
4.2 shuttle
6.94 3-cone
The only question might be how well he plays in the vertical role as a receiver. I think he'd certainly make a fine #3 running back.