http://en.wikipedia.org/wiki/Clock_management
clock management is an important aspect of game strategy. The team who holds
the lead in the game will want to use as much time as possible, while the
team that is trailing will want to conserve time so that there is enough to
try to score.
Upon kickoff the clock is started when a member of the receiving team
touches the ball, and it is stopped when that player is tackled or goes out
of bounds. The clock is then restarted when the offense snaps the b
