Found this interesting:
"
He added, though, that he’s aware of the workload for all the running backs, both in games and at practice. Pitt uses GPS technology to track players in practice and monitor how much they run on a given day.
“If I see a guy gets a 5,000-yard day, then I’ll cut him back a little bit the next day,” Powell said.
http://www.post-gazette.com/sports/...ong-Pitt-s-running-backs/stories/201510270188
"
He added, though, that he’s aware of the workload for all the running backs, both in games and at practice. Pitt uses GPS technology to track players in practice and monitor how much they run on a given day.
“If I see a guy gets a 5,000-yard day, then I’ll cut him back a little bit the next day,” Powell said.
http://www.post-gazette.com/sports/...ong-Pitt-s-running-backs/stories/201510270188