Player sort

    for (int i = 0; i < this.plugin.online.size(); i++) {
        if (this.plugin.redTeam.size() > this.plugin.blueTeam.size()) {
            this.plugin.blueTeam.add(player);
            Bukkit.broadcastMessage(player.getName() + " joined the Blue Team");
            this.plugin.online.remove(player);
        } else if (this.plugin.blueTeam.size() > this.plugin.redTeam.size()) {
            this.plugin.redTeam.add(player);
            Bukkit.broadcastMessage(player.getName() + " joined the Red Team");
            this.plugin.online.remove(player);
        } else {
            Random random = new Random();
            if (random.nextBoolean()) {
                this.plugin.redTeam.add(player);
                Bukkit.broadcastMessage(player.getName() + " joined the Red Team");
            } else {
                this.plugin.blueTeam.add(player);
                Bukkit.broadcastMessage(player.getName() + " joined the Blue Team");
            }
        }
    }