public bool IsOnPitch(PlayerId playerId) => PlayersOnPitch.Contains(playerId);
public Player GetPlayer(PlayerId id) => AllPlayers.Find(p => p.Id == id);
public bool IsOnPitch(PlayerId playerId) => PlayersOnPitch.Contains(playerId);
public Player GetPlayer(PlayerId id) => AllPlayers.Find(p => p.Id == id);