Before World Series of Fighting light heavyweight Jake Heun and I even get on the phone, I can tell it’s going to be a fun interview. I send him a message on Facebook about a week before our scheduled interview to touch base,...

There’s an axiom in combat sports as old as fighting itself: “One punch can change a fight.” A single, solid connection can alter the trajectory of a contest, undoing every bit of contrary progress that preceded it. Somet...