A matchday squad is 18 players.
Maybe
A total of 22 players play at a time in a football match, 11 players in a team.
players, match officials, Referees, assistant referees, stewards
I think the game is about managing football so I don't think you actually play a match on it.
There Is 1 Goalkeeper And 10 Outfield Players
A football manager manages the overall strategy of the team. The coaches manage how each player gets up to the standards that the manager wants and the manager decides what players to get which players to lose and which games are the most important and so when to rest certain players or to put certain players on. For example a friendly match between two clubs might not need all the best players whereas the final of the Champions League or the FA Cup would see only the best players playing.
11 against 11
There must be 7 players to continue the match.
11
7
11
3