Each half of the football team starts with a kick off.

At teams also start after scoring touchdowns and field goals. the ball is kicked using a kick tee from the team’s own 30-yard line in the NFL and college football (as of the 2007 season). O The other team’s kick return attempts to catch the ball and advance it as far possible. Where he is stopped is the point where the attack will begin its movement, or series of offensive moves. If the kick returner catches the ball in his own end zone, he can either run with the ball or opt for a touchback by kneeling in the end zone, in which case the receiving team starts its offensive attack from their own 20-yard line.
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A touchback also occurs when the kick goes out of bounds in the end zone. One kickoff that goes out of bounds anywhere other than the end zone before being touched by the receiving team results in a penalty. unlike the punts, once a kickoff reaches 10 yards, it can be recovered by kick team. A team, especially one that is losing, may try take advantage of this by trying an Onside Kick. Punts and turnovers in the end zone can also end in a touchback. After safeties, the team that gave up the two points puts the ball in play with a punt or placekick from your own 20-yard line.