Each Premier League team plays 38 games in a season. The Premier League uses a double round-robin structure, which means that all 20 clubs in the league play all 19 other teams twice throughout the season. In a Premier League season, there are 760 games played. A game consists of 90 minutes of playing time plus three additional minutes of injury time to be used as necessary. If scores are level at the end of regulation time, the team that has scored more goals over the two matches wins. If scores are still level after this, a series of procedures will determine who advances to the next round. These include: if both teams agree, they may call for a penalty kick; if not, a referee will choose one of the teams to have a free kick inside the box. The ball can be kicked from anywhere within 5 yards (4.5 m) of the goal line and must be taken with the foot. A goalkeeper can block shots with his hands or by diving. He is not allowed to leave his area until the ball has been touched by another player. The team that wins the coin toss gets to decide whether they want to go first or second down during each of their turns at home. If they choose to go first, they get to select any point within their own half of the field. If they select a position outside their own half, the opposition gets to select anywhere within their half.