Combat Edge Intelligence

Cj Vergara vs Ronal Siahaan

Side-by-side comparison: records, physical profile, Combat Edge Elo, win methods, tracked UFC stats, and common opponents.

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Tale of the tape

12-7-1Record8-2-0
FlyweightDivisionFlyweight
5'6"Height5'7"
68" ReachTBD
127 lbsWeight126 lbs
Pete Spratt American Muay ThaiTeamBSA Martial Arts Center

What's at stake

The ratings are close, so the Elo swings are near-symmetric — the winner and loser trade a similar number of points either way.

Cj VergaraNow 1598
If they win+16→ 1614
If they lose-16→ 1582
Ronal SiahaanNow 1597
If they win+16→ 1613
If they lose-16→ 1581

Projected for a decision result at current ratings. A finish (KO/TKO or submission) scales the swing up by roughly 20–25%.

Opponent quality

Average pre-fight Elo of each fighter's latest 10 counted pro MMA opponents. Higher means the recent schedule was stronger; later opponent results do not rewrite the score.

1622 · 10 fightsPre-fight Elo1507 · 10 fights

Tracked stat edges

5.10
Sig. strikes / min
0.63
57%
Strike accuracy
67%
4.74
Strikes absorbed / minLower is better
6.17
53%
Strike defense
25%
0
Takedown avg.
0
TBD
Takedown accuracy
TBD
61%
Takedown defense
25%
0.18
Submission avg.
0

Trajectory

Cj VergaraRonal Siahaan
160016502022202320242025

Win method breakdown

7 (58%)
KO/TKO
5 (63%)
0 (0%)
Submission
0 (0%)
5 (42%)
Decision
3 (38%)

Combat Edge model read

Ronal Siahaan66%
Cj Vergara 34%Elo baseline: 50%

The Combat Edge model makes Ronal Siahaan a 66% favorite over Cj Vergara in a hypothetical meeting — an upset call against the Elo baseline, which leans Cj Vergara's way (50%).

Their Combat Edge Elo ratings are nearly level (1598 vs 1597), separated by just 1 points.

Cj Vergara enters on a 3-fight loss streak.

Cj Vergara finishes 58% of wins inside the distance, Ronal Siahaan 63%.

Model estimate for a hypothetical bout, generated from Combat Edge Elo, form, and career stats. Not a betting recommendation.