10-Point Must Scoring

The scoring scale

Every round in an MMA bout is scored independently by three judges using the 10-point must system inherited from professional boxing. The round winner receives 10 points; the loser receives 9, 8, or 7 depending on the degree of dominance:

• 10-9 — close round. The winner did slightly more damage, dictated more exchanges, or accumulated more control time. The most common score.
• 10-8 — dominant round. Clear damage, significant control time, or a near finish that the opponent survived. Has been used more liberally since the ABC's 2017 guidance.
• 10-7 — one-sided beatdown. Vanishingly rare in three-round bouts because the referee would normally stop the fight first.
• 10-10 — only when judges genuinely cannot pick a winner. Discouraged by the ABC; most state commissions actively counsel judges against it.

At the end of the bout, each judge totals their scorecard. The winner is determined by majority of the three cards.

Decision types

• Unanimous decision: all three judges score the bout for the same fighter (e.g., 30-27, 30-27, 30-27 for fighter A).
• Majority decision: two judges score the bout for one fighter, the third judge scores it a draw (e.g., 29-28, 29-28, 28-28).
• Split decision: two judges score for one fighter, one judge scores for the other (e.g., 29-28 fighter A, 28-29 fighter B, 29-28 fighter A).
• Draw types:
  • Unanimous draw: all three judges score the bout 28-28 or equivalent.
  • Majority draw: two judges score a draw, the third scores for one fighter.
  • Split draw: one judge scores for fighter A, one for fighter B, one a draw.

What judges score (the ABC criteria)

The Association of Boxing Commissions' 2017 guidance established a strict hierarchy of scoring criteria. Judges are instructed to evaluate criteria in order — only moving to the next when the previous is too close to call:

1. Effective Striking and Grappling — the totality of damage and offensive output. This is the primary criterion in virtually every round.
2. Effective Aggressiveness — moving forward and forcing exchanges. Only weighs when criterion 1 is genuinely even.
3. Cage/Ring Control — controlling the geographic center of the cage and dictating the pace. Only weighs when criteria 1 and 2 are both genuinely even.

The 2017 guidance also elevated damage as the dominant factor within criterion 1. A fighter landing fewer but more impactful strikes can win a round over a fighter landing higher-volume but lower-impact offense.

The 10-8 problem

Historically, judges scored 10-8 rounds in only 1-2% of rounds across major promotions. The ABC's 2017 guidance counseled judges to score 10-8 more liberally — recognizing dominant rounds where one fighter clearly outperformed the other across all criteria.

The change has been adopted unevenly. Some judges (particularly Sal D'Amato, Derek Cleary, Eric Colon at the Nevada State Athletic Commission) now score 10-8 in roughly 5-8% of rounds; others remain at the historical 1-2% rate. The inconsistency produces decision results that look surprising to viewers — a fighter who dominated round 1 by every visual measure may end up with a 29-28 card rather than a 29-27, simply because the judge sees 10-8 as a near-finish standard.

Famous controversial decisions

• Joe Lauzon vs Jamie Varner (UFC on Fuel TV 5, 2012): Lauzon was nearly finished in round 1, came back to dominate rounds 2-3 with takedowns and ground control, and lost a split decision.
• Jon Fitch vs B.J. Penn (UFC 127, 2011): Penn dominated round 1, Fitch came back to win rounds 2-3 by control time. Result: a majority draw, widely criticized.
• Diego Sanchez vs Clay Guida (TUF 9 Finale, 2009): a back-and-forth war that Sanchez won by split decision; many observers had Guida winning.
• Robert Whittaker vs Yoel Romero 2 (UFC 225, 2018): Romero missed weight (making it a non-title bout), Whittaker won split decision in a five-round war. The Romero camp argued the cardio-favoring late rounds should have outweighed Whittaker's early-round damage.
• Leon Edwards vs Belal Muhammad (UFC Fight Night 187, March 2021): a no-contest after Edwards's accidental eye poke, but the broader decision-controversy theme defined the rivalry up to their later title-fight rematches.

Why decisions feel wrong

The 10-point must system's structural issue is that it discards information at the round boundary. A fighter who wins round 1 narrowly (10-9, but with the other fighter landing 49% as much) and loses round 2 decisively (8-10, taking real damage and surviving a sub attempt) ends up with a 18-19 card going into round 3. That's the same numeric position as a fighter who lost both rounds close.

In sports with continuous scoring (judo with ippon/waza-ari, boxing's optional 10-point variants), this artifact is reduced. But MMA's adoption of the round-isolated 10-point system from boxing means every controversial close decision is partly a measurement artifact rather than a judging error.

Open scoring (the ONE Championship variant)

ONE Championship reveals scorecards between rounds. The argument for: fighters can adjust their game plan based on real-time scoring information; viewers understand where the bout stands. The argument against: it incentivizes coasting in winning rounds and desperation finishes in losing ones — neither of which produces the best technical fight.

The Unified Rules do not include open scoring, and US state commissions have not adopted it.