On any given day during training, three words can be heard across the practice fields, which are both crucial to the conditioning and fundamentals of the Browns' running backs room.

Chargers running back Najee Harris, who had been walking laps at practice since Aug. 2, ran and participated in drills for the first time this training camp Tuesday.

Watch running backs Mark Fletcher, Jordan Lyle, Chris Wheatley-Humphrey, CharMar Brown and Girard Pringle Jr. in drills during the first two fall practices.

The running back would bounce outside and have to dodge a sliding red practice dummy. — The order through these drills went Ty Simpson handing off to Jam Miller, Austin Mack handing off to Richard ...

It’s the most anticipated drill during what is arguably the most anticipated practice of each year’s Pittsburgh Steelers training camp: backs-on-‘backers. As is custom, coach Mike Tomlin on ...

He put a nasty spin move on a linebacker and broke free up the sideline in an 11-on-11 drill that started near the offense’s goal line. In a similar drill, he cut outside and exploded 22 yards ...

Texas Tech football assistant Garret McGuire leads drill with running backs Cameron Dickey (8), Quinten Joyner, Adam Hill (23), J'Koby Williams (20).

EL SEGUNDO, Calif. -- Los Angeles Chargers running back Najee Harris ran and participated in drills with a football for the first time this training camp, doing so off to the side with an athletic ...