Because of injuries, Humes made only 13 starts at Tech, nine of which came last season when he led the team in rushing with 752 yards and 11 touchdowns.
Humes rushed for over 100 yards in three of his final four contests, including a game-high 119 yards in Virginia Tech's Gator Bowl victory.
"He is very effective once you get down in the red zone. He is a powerful back. He can catch the ball. He is not a burner. He doesn't have Willie Parker speed, but he breaks tackles and makes yards after contact. He is a good, solid player. Yes, he'll move the pile. He makes yards after contact. You get him down in the red zone and he doesn't have to run that far. He has been really productive on the goal line for them and if things work out like they did with Jerome (Bettis) last year, he may be the guy to fill that role."
The three-year contract will pay Humes minimum salaries. He received a $30,000 signing bonus.