private bool PlayerTeamNameCheck(Team[] teams)
{
// Check for teams with same name
if (teams.GroupBy(t => t.Name.ToLower()).Where(g => g.Count() > 1).Count() > 0)
return false;
// Check for player names
List<string> players = new List<string>();
foreach (Team t in teams)
players.AddRange(t.Players.Select(p => p.Name));
if (players.GroupBy(p => p.ToLower()).Where(g => g.Count() > 1).Count() > 0)
return false;
return true;
}