Where do key online Betting sites get their MMA betting lines from?

Question by milklavar999: Where do major online Betting sites get their MMA betting lines from? If you know the place these internet sites get their other sports activities line from, tell me. All betting lines from different sports comes from distinct personal(s), so I am quite curious. Also, let me know if the betting lines come from Vegas or an additional state/city. Very best solution:
Solution by pdq
Vegas is the source for practically all betting lines. From there, sports books will adjust their lines up and down according to the betting that's taken spot at their book.