The Cleveland Browns held a kicking competition between Shayne Graham and Brandon Bogotay. Coach Rob Chudzinski wasn't satisfied with the results, and for now, his 53-man roster doesn't include a kicker.

Cleveland Browns rookie Barkevious Mingo was taken to the hospital after suffering a bruised lung during Thursday's preseason game. That was just the start of the Browns' bad luck.

With the first full slate of preseason games upon us, Gregg Rosenthal updates the hottest position battles in the AFC, such as the Buffalo Bills' signal-caller derby between EJ Manuel and Kevin Kolb.

Training camp is all about battling for snaps. Gregg Rosenthal breaks down the top 25 position battles in the AFC, such as the Oakland Raiders' starting signal-caller derby led by Matt Flynn.