The best sports books to place UFC bets are the following.
Sports Betting.ag - Another great option for your UFC betting needs. They have some of the best odds in the industry and allow you to place last minute wagers on your favorite fighter. The software is super easy to use and they make it easy to deposit money and to get started.
They allow you to place a bet on any UFC fight as well as any major sporting event. There's also a casino and poker room.
They offer a great customer service staff and fast payment of winnings.
Bet Online - This is a solid contender for betting on the UFC. They have a huge sign up bonus larger than anyone else, which means you get more bang for your buck. You can open an account and start placing wagers in one minute or less, they make it that easy and fast to get started.
This site is easy to use with software that enables anyone to place bets within minutes.
With multiple deposit and payout options this is a great bookie to sign up with.
Bovada - The leading sports book in North America. Bovada makes placing a wager on the UFC or any MMA fight easy. You can place a bet via your computer or cell phone.
They offer 24 hours a day 7 days a week toll free support. They also have some of the best trained customer service staff, who are well trained to answer the phone on the first ring, or to answer all emails within 15 minutes.
Best of all they pay out winnings faster than the competition. Visit the website to claim a generous sign up bonus.