Holly Holm walked into her fight with Ronda Rousey as a massive underdog. Almost nobody gave her a chance, and the betting line agreed with them. Then came the head kick in the second round, and a lot of tickets went straight in the trash.
Fights like that stick with us because they’re rare. Most nights the favorite wins, and the price turns out to be about right. Still, it’s worth asking where MMA betting odds come from in the first place. Who decides that one fighter is -250 and the other is +200? And how much of that number is rankings, how much is stats, and how much is just people betting on names they recognize?




