Ryan Spann (opportunistic, submission hunter, power puncher) against Gregory Rodrigues (power puncher, pressure boxer, opportunistic) is a UFC heavyweight matchup in —. The independent model puts Rodrigues around 64% — a medium confidence number, not a betting line. The largest factor from 50/50 is striking skill (distance & pocket): Spann striking rating 1580 vs Rodrigues 1740. Weighted by estimated standing time (76%).

Where this is fought matters. Estimated grappling share is 24%. Spann lands 3.8 significant strikes per minute at 48% accuracy with a 1.6 takedown average; Rodrigues is at 5.2 / 51% / 1.6. Takedown defense sits at 58% versus 61%. Reach is 81" against 75" — counted only if the longer fighter actually lives at range.

Spann's primary path: One clean counter or lead hook as Rodrigues enters. Power is the shortcut; it is not a plan by itself. Failure mode: The chin has been a problem. One pocket exchange can end the math. Rodrigues's primary path: One clean counter or lead hook as Spann enters. Power is the shortcut; it is not a plan by itself. Failure mode: The chin has been a problem. One pocket exchange can end the math.

The swing variable is simple: First fighter to be dropped. Power is asymmetric here; the model’s decision lean dies if someone gets hurt early. The model does not start from a sportsbook. If DraftKings or Fanatics disagree, that disagreement is the point of the page.