The number of substitutes depends on fifa 16 ultimate team coins the competition the match is played in, but in official FIFA matches the number of substitutes can range from none to 7, with 3 substitutions eligible for each of the two teams.

However , in friendly matches, it's often the case that both teams agree upon a set number of substitutions or simply go all-out and allow every bench player to get in the game at some point, replacing one of the first team members.

Ball in/out play soccer rules - The ball is in play whenever the referee doesn't intervene whistling a game stop and whenever it stays inside the play area. http://www.imfifa.co