Cornerback ( born Cornerback , CB) - a player’s position in American football .
Functions
Together with defensive tackles , defensive ends , middle linebackers , outside linebackers , and safety line-ups . Defensive ends and defensive tacks are collectively called the line of defense, and cornerbacks and safty are called secondaries, or defensive backs.
Cornerbacks are called players who cover the receivers . Their main task is to prevent the pass of the quarterback from reaching its main destination - the wide receiver . He can catch the ball and intercept it, knock it in the air, or stop an opponent player if he still caught the ball.
With remote combinations - the task of the cornerback is to restrain the outgoing.
Typically, the number of cornerbacks depends on the number of receivers they need to play against.
Protection
Kornerbek has the right to interfere with the movement (block) of the receiver until he has overcome 5 yards from the rally line. After that, he cannot interfere with the movement until the player touches the ball. Intercepting and blocking the ball is allowed at any time.