Bantamweight · Men

Mefi Monterroso

“Lil' Monsta”
United States American Kickboxing Academy debut 2011
Held by Miguel Sanson
Form W L L L L
Elo 1,070 peak 1,316 · 5 Nov 2016 246 below it
Tapology Sherdog
6-7pro record
4L current streak
1,214best win, Elo
1,163average opponent
-- born 5 Jul 1989
61.0" / 62.5" height / reach

Elo history

Hover for the fight at that point; dots are wins and losses; the band is the typical prime for men at bantamweight, ages 26–33

Record

-- – --
Rating by method KO1,015 Sub992 Dec944

Style profile

Each axis is a percentile of bantamweight fighters with five pro bouts (5,172 of them); further out is better. Hover a point for the number.
KO Submission Decision Finishes Durability Win rate Opposition Activity
From the record and the method ratings

Similar careers

Who looked like this after 12 pro bouts, and what happened next

After 12 bouts (2025): 1,078 Elo, 6-6, aged 36, average opponent 1,198.

  1. Elmir Jafarov then 1,047, 5-7, aged 36 2-2 after peaked 1,157 ▲
  2. Christian Cerda then 1,171, 6-6, aged 34 1-3 after peaked 1,173
  3. Severino Neto then 1,096, 6-6, aged 37 · Lightweight 1-12 after peaked 1,103
  4. Daisuke Kuroishi then 1,189, 6-6, aged 36 3-7 after peaked 1,261 ▲
  5. Ho Jin Kim then 1,072, 7-5, aged 36 · Middleweight 1-3 after peaked 1,046 ▼
  6. Luis De La Puente then 1,046, 6-6, aged 34 3-4 after peaked 1,174 ▲

Best wins

By the opponent's Elo on the night
  1. Fabian Parra Decision R3 · 12 Sep 2015 · Duel For Domination MMA 1,205
  2. Nico Lozada Decision R3 · 7 May 2016 · West Coast Fighting Championship 1,179
  3. Karlee Pangilinan KO/TKO R2 · 29 Jul 2022 · Legacy Fighting Alliance 1,173
  4. Isaiah Wright KO/TKO R1 · 5 Nov 2016 · West Coast Fighting Championship 1,167
  5. Dan Cormier Decision R3 · 14 Apr 2018 · Cage Titans FC 1,062

Losses

The latest 5 of 7
  1. Miguel Sanson KO/TKO R1 · 16 Aug 2026 · Anthony Pettis FC 1,630
  2. Sergio Plascencia Decision R3 · 15 Jun 2025 · Anthony Pettis FC 1,310
  3. Jonathan Sepulveda Decision R3 · 17 Jun 2023 · Puerto Rico Fighting Club 1,180
  4. Christian Ynastrilla Submission R1 · 20 Jan 2023 · Action Fight League 1,279
  5. Edgar Cháirez KO/TKO R2 · 9 Apr 2021 · Combate Global 1,260

Fight history

31 bouts, newest first; amateur bouts are shaded. Hover a heading for what it means.
# Date Result Opponent Weight class Method Round Score Elo ± Opp Elo Odds Event
31 16 Aug 202637.1 yrs L6-7 Miguel Sanson 10-2 · 27.1 yrs Bantamweight KO/TKOKnee R11:45 0.00 1,077→1,070 -7 1,630 – Anthony Pettis FC 24: Milwaukee Fight Night 11 Anthony Pettis FC
30 15 Jun 202535.9 yrs L6-6 Sergio Plascencia 5-2 · 26.7 yrs Flyweight DecisionUnanimous R315:00 0.16 1,089→1,078 -10 1,310 +200→+1000 Anthony Pettis FC 17: Milwaukee Fight Night 8 Anthony Pettis FC
29 17 Jun 202333.9 yrs L6-5 Jonathan Sepulveda 11-4 · 36.5 yrs Flyweight DecisionUnanimous R315:00 0.16 1,144→1,093 -51 1,180 – PRFC 1: Rivals Puerto Rico Fighting Club
28 20 Jan 202333.5 yrs L6-4 Christian Ynastrilla 10-4 · 26.8 yrs Flyweight SubSubmission R11:33 0.00 1,215→1,144 -72 1,279 – AFL: Invincible 2023 Action Fight League
27 29 Jul 202233.1 yrs W6-3 Karlee Pangilinan 6-2 · 28.4 yrs Flyweight KO/TKOGround & Pound R29:13 1.00 1,113→1,215 +102 1,173 +240→+300 LFA 137: Gibson vs. Amil Legacy Fighting Alliance
26 9 Apr 202131.8 yrs L5-3 Edgar Cháirez 6-3 · 25.2 yrs Flyweighttitle KO/TKOBody Kick & Punches R25:10 0.00 1,183→1,115 -69 1,260 – Combate Global - Chairez vs. Monterroso Combate Global
25 2 Oct 202031.2 yrs L5-2 Rodney Kealohi 4-1 · 26.1 yrs Flyweight KO/TKOKnee to the Body & Punches R10:30 0.00 1,239→1,183 -56 1,371 +145→+185 LFA 92: Wirth vs. Askar Legacy Fighting Alliance
24 14 Apr 201828.8 yrs W5-1 Dan Cormier 6-8 · 30.3 yrs Strawweight DecisionUnanimous R315:00 0.84 1,240→1,258 +18 1,062 – Cage Titans FC - Cage Titans 38 Cage Titans FC
23 18 Mar 201727.7 yrs W4-1 Kyle Gothan debut Flyweight SubKeylock R13:24 1.00 1,199→1,240 +41 994 – KOTC: Crunch Time King of the Cage
22 7 Jan 201727.5 yrs L3-1 Derrick Easterling 5-3 · 29.3 yrs Flyweighttitle SubTriangle Choke R27:45 0.00 1,316→1,199 -117 1,195 – URCC 29: Conquest URCC MMA
21 5 Nov 201627.3 yrs W3-0 Isaiah Wright debut · 24.2 yrs Strawweight KO/TKOPunches R10:15 1.00 1,249→1,316 +67 1,167 – WFC 18: Fight Night Sacramento West Coast Fighting Championship
20 7 May 201626.8 yrs W2-0 Nico Lozada 2-1 · 28.2 yrs Flyweight DecisionSplit R315:00 0.56 1,258→1,249 -9 1,179 – WFC 17: Jones vs. Montgomery West Coast Fighting Championship
19 12 Sep 201526.2 yrs W1-0 Fabian Parra 1-0 Strawweight DecisionUnanimous R315:00 0.84 1,196→1,258 +62 1,205 – Crank It Up Promotions - Duel for Domination 13 Duel For Domination MMA
18 27 Jun 201526.0 yrs W9-9 Freddy Mendez 2-2 · 19.0 yrs Strawweighttitle SubSubmission R37:28 1.00 1,131→1,196 +65 1,129 – WCS 20: World Combat Series World Combat Series am
17 16 May 201525.9 yrs W8-9 Jose Marin 7-3 Strawweighttitle DecisionUnanimous R39:00 0.84 1,059→1,131 +72 1,214 – Central Coast Throwdown: Superbrawl 2015 Central Coast Throwdown am
16 2 May 201525.8 yrs L7-9 Isaiah Wright 7-3 · 22.7 yrs Flyweighttitle DecisionUnanimous R39:00 0.16 1,088→1,059 -30 1,169 – Bred 4 Battle Presents: Hermanos de Sangre Bred 4 Battle Combat Sports am
15 21 Feb 201525.6 yrs W7-8 Nathan Napolitano 2-1 Flyweighttitle DecisionSplit R39:00 0.56 1,067→1,088 +22 1,141 – Central Coast Throwdown: Bad Intentions Central Coast Throwdown am
14 23 Jan 201525.6 yrs W6-8 Randall Schuckman 7-9 · 29.2 yrs Flyweight DecisionSplit R39:00 0.56 1,042→1,067 +25 1,133 – WCS 18: Evolution Sports Expo World Combat Series am
13 6 Dec 201425.4 yrs W5-8 Ricardo Sanchez 2-3 Strawweight KO/TKOKO/TKO R10:14 1.00 966→1,042 +76 1,022 – Bred 4 Battle Presents: Ring Your Bells Xmas! Bred 4 Battle Combat Sports am
12 5 Oct 201425.3 yrs W4-8 Ricardo Sanchez 2-2 Strawweight DecisionSplit R39:00 0.56 937→966 +29 1,051 – 559 Fights 29 559 Fights am
11 29 Aug 201425.1 yrs L3-8 Carlos Hernandez 5-2 · 26.7 yrs Flyweight DecisionUnanimous R39:00 0.16 945→937 -8 1,163 – 559 Fights 28 559 Fights am
10 29 Jun 201425.0 yrs W3-7 Daniel Gonzalez debut · 19.3 yrs Flyweight DecisionSplit R36:00 0.56 918→945 +27 1,023 – Gallus FC 4 Gallus Fighting Championships am
9 22 Jun 201324.0 yrs L2-7 Dustin Moore 2-0 – KO/TKO -- 0.00 955→918 -37 1,118 – -- California Regional am
8 16 Feb 201323.6 yrs L2-6 Jose Marin 6-2 Flyweight KO/TKOKO/TKO R24:24 0.00 983→955 -28 1,209 – Central Coast Throwdown - The Warriors Central Coast Throwdown am
7 14 Oct 201223.3 yrs L2-5 Jose Marin 5-2 Flyweight KO/TKOKO/TKO R11:10 0.00 1,022→983 -39 1,170 – Central Coast Throwdown Central Coast Throwdown am
6 4 Aug 201223.1 yrs L2-4 Jose Marin 4-2 Flyweight DecisionSplit R36:00 0.44 996→1,022 +26 1,196 – Central Coast Throwdown Central Coast Throwdown am
5 15 Jul 201223.0 yrs L2-3 Dustin Moore 1-0 Flyweight DecisionUnanimous R36:00 0.16 1,031→996 -35 1,082 – WCS 5: San Jose Fit Expo World Combat Series am
4 5 May 201222.8 yrs W2-2 Toby Fuentes 0-0-1 Flyweight DecisionSplit R36:00 0.56 1,014→1,031 +17 1,062 – Elite Combat Sports - Battle at the Fox Elite Combat Sports am
3 10 Mar 201222.7 yrs L1-2 Aritra Roy debut – KO/TKO -- 0.00 1,085→1,014 -71 1,058 – -- California Regional am
2 18 Feb 201222.6 yrs W1-1 Michael Gall 1-1 · 19.8 yrs – DecisionUnanimous R315:00 0.84 1,056→1,085 +29 970 – Rocktagon MMA - Elite Series 14 Rocktagon am
1 12 Nov 201122.4 yrs L0-1 Jose Marin 3-2 – KO/TKO -- 0.00 1,119→1,056 -63 1,133 – -- California Regional am