Now everyone who has done PvP has ran into these "gangers" and it wasn't any fun...
No one wants to walk into a game and have no chance of actually playing PvP... So I have a suggestion to stop ganging (or at least a little)
This suggestion is adding proximity curse to PvP...
Now if you've done arena you should have seen prox. curse at some point... This adds a little ring around you that dmgs your teammates
This seems like a perfect addition to stop these "gangers" and promote tactics...

Even if it doesn't seem like a good idea you try testing it in PvP and see how the players react to it