Well, it's still a month to the start of Spring practice. The UMass team should be deep into its off-season training program.
The UMass strength and conditioning program is headed by Coach Bob Otrando and assisted by former UMass QB Anthony Catterton as well as Assistant Strength Coach Chris Boyko.
This site has a great deal of material about off season football conditioning. This page alone has dozens of articles about various aspects of football conditioning.
Seeing it's March and all of us cold weather residents probably need some get-in-shape work before spring, this article has a specific football conditioning program if you want to try a real football workout...