If you offer tickets, you can't be selective about who you're selling them to. But you can set limits on the number of tickets that anybody buys. If that applies to everybody, it applies to brokers as well.
"David Charles Lucas" is a retired Canada/Canadian professional ice hockey defencemen who played in one National Hockey League game for the Detroit Red Wings during the 1962–63 NHL season. Lucas scouted for the Pittsburgh Penguins, the NHL Central Scouting Bureau, and the Chicago Blackhawks.More Dave Lucas on Wikipedia.