Hard Knocks: Training Camp With the Buffalo Bills, Episode 4

Reigning NFL MVP Josh Allen leads the Bills into training camp in Rochester, NY; cornerback Tre'Davious White is excited to return to the team; offensive tackle Dion Dawkins enjoys a little downtime 'drift' with his family.

A look at undrafted local kid 'Buffalo Joe' Andreesen; RB Ray Davis tries kicking; the battle for QB2; Damar Hamlin's inspiring story; Sean McDermott opens up on skin cancer; Bills Mafia shows their stuff; and K.J. Hamler's scooter saga continues.

James Cook hits the field as his 'hold in' ends with a new contract; defensive tackle Ed Oliver shows his love for horses; the Bills head to Chicago to face the Bears.

Josh Allen shows how he has developed into an elite QB talent with help from biometrics expert Chris Hess. As the Bills head to Tampa Bay for their preseason finale, roster cutdowns loom for players on the bubble, such as Jimmy Ciarlo and K.J. Hamler.

As cut day arrives, players on the bubble learn their fates; with the roster set, QB Josh Allen looks to take the team to the next level.