Could do the whole tourney in 1 night, but save the 2 finalist for a card at the main event slot.
Well, we have 10 guys. So I was going to do groups for the entry. The loser of each group is eliminated and then the remaining 8 are seeded in the tournament. I guess we could Group 1 one night (10 fights) and Group 2 another night. Then start the tourney which could be another night and everything but the Finale.