This will by my second week of Trivia Blitz. Again, I don't know if these questions have been asked before, but I'm going to throw them out there anyway. I kind of felt bad for PackerAttack84 because he submitted a lot of questions while I only submitted one, thus giving me a better chance at scoring points than him. In order to be fair, I will try to submit as many as I can come up with this week. Here's the first one. This should be really easy, so try not to look it up.
How many of the current NFL teams have never lost a Super Bowl?