Stop banning both GP and Morde on Red Side
You don't have to.
So let's go into some pick/ban theory here as to why not. Let's assume that GP and Morde are the only "OP" champs this patch. Given this, you don't actually have to ban either one on red side. You simply allow the blue side team to pick one and trade it for the other. Essentially, the ban phase becomes a game of chicken- except it's one that you can't lose as the red side team. Here's how you do it:
Ban 1: Did blue side ban GP or Morde?
Yes- Ban the other. No- Ban anyone you like.
Ban 2: Did blue side ban GP or morde?
Yes- Ban the other. No- Ban anyone you like.
Ban 3: DId blue side ban GP or morde?
Yes- Ban the other. No- Ban anyone you like.
Huzzah, you have now freed up at minimum one more ban. If Blue side bans GP or Morde, you got 1 free ban by ordering your bans correctly. If they ban both, you got 2 free bans, and both were still banned. If they didn't ban either, that's fine too- you got 2 extra bans, and while they'll get their choice of morde and GP, you'll get the other (and have another pick for a champ like Elise). Fail to see why pro teams are continually making what I view to be a directly inferior strategical decision in ban phase after ban phase, unless they consider morde unbeatable, which I have a hard time believing.