ESPN Search

ESPN NFL analysts and former pros Tim Hasselbeck and Antonio Pierce step to the chalkboard to break down the zero blitz.

ESPN NFL analysts and former pros Mike Golic and Tedy Bruschi step to the chalkboard to break down slide protection. It turns the offensive line to take away defensive rushers by using tactful double teams.

ESPN NFL analysts and former pros Tim Hasselbeck and Tedy Bruschi step to the chalkboard to break down the draw play. It's designed to sell pass, influence the middle linebacker and open running lanes with offensive linemen.

ESPN NFL analysts and former pros Mike Golic and Mark Schlereth step to the chalkboard to break down the 3-4 defense. Its goals are two-pronged: create blocking mismatches in the offensive backfield or reach the quarterback with timed blitzes.

ESPN NFL analysts and former pros Darren Woodson and Marcellus Wiley step to the chalkboard to break down the Cover 1 defense. It isolates the free safety, funnels receivers away from the sideline and forces the line to take direct routes to the QB.

ESPN NFL analysts and former pros Tedy Bruschi and Mark Schlereth step to the chalkboard to break down the zone blitz -- and what offenses can do to counter it.

New York Giants first round pick Prince Amukamara starred at cornerback at Nebraska, taking Big XII Defensive Player of the Year as a senior. John Brenkus and Sport Science test his vertical jump, range, speed and body control.

ESPN NFL analysts, former pro and former coach Herm Edwards steps to the chalkboard to break down the Cover 2 defense, specifically the roles of the middle linebacker, outside linebackers and defensive backs.

Rett Larson of Velocity Sports Performance teaches the hang clean. It's an exercise that promotes triple-joint extension and simulates movements you'll make on gameday.

ESPN NFL analysts and former pros Tim Hasselbeck and Mark Schlereth step to the chalkboard to break down two variations of the play-action offense.

John Brenkus of Sport Science stops by ESPN to explain how athletes can excel in their sports. Here he gives keys to running the fastest 40-yard dash.

John Brenkus of Sport Science stops by ESPN to explain how athletes can excel in their sports. Here he explains physics on how to throw a football farther.

At the Nike Football Training Camp at Oregon State, linebackers key on defensive leverage in pass coverage. They cover more of the field by staying between the quarterback and the receiver.

At the Nike Combine at Tigard (Tigard, Ore.), players wear SPARQ Reaction Goggles to quicken response time.

At the Nike Football Training Camp at Oregon State, running backs learn to use the sideline to their advantage. They were on cutting underneath and overtop safeties or running through defenders.

At the Nike Football Training Camp at Oregon State, running backs learn to use the offensive line to their advantage when running pass patterns.