Flyweight · Men

Sergio Rivera

“The Hellhound”
United States No Limits Kickboxing debut 2015
Elo 1,243 peak 1,243 · 19 Sep 2025
Tapology Sherdog id 3163239
2-0pro record
3W current streak
1,128best win, Elo
1,066average opponent
-- age unknown
-- / -- height / reach

Elo history

Hover for the fight at that point; dots are wins and losses

Record

-- – --
Rating by method KO1,018 Sub1,100 Dec1,083

Best wins

By the opponent's Elo on the night
  1. Markevian Williams Submission R3 · 22 Feb 2025 · Flex Fight Series 1,111
  2. Demetri Nictas Decision R3 · 19 Sep 2025 · Ring of Combat 981

Losses

Newest first
  1. Unbeaten.

Fight history

12 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
12 19 Sep 2025 W2-0 Demetri Nictas debut · 24.2 yrs Flyweight DecisionUnanimous R315:00 0.84 1,238→1,243 +5 981 – Ring of Combat 87 Ring of Combat
11 22 Feb 2025 W1-0 Markevian Williams 1-2 · 29.7 yrs Catchweight SubRear Naked Choke R313:51 1.00 1,164→1,238 +74 1,111 – Flex Fight Series Vol. 43: Let's Just Fight Flex Fight Series
10 21 Oct 2023 W4-6 Darrin LaMantia 3-1 Flyweight SubRear Naked Choke R37:32 1.00 1,095→1,167 +72 1,128 – Flex Fight Series Vol. 28: Night of the Fighting Dead Flex Fight Series am
9 10 Sep 2022 L3-6 Bryce Layme 2-3 · 21.7 yrs Flyweighttitle DecisionMajority R39:00 0.38 1,126→1,095 -31 1,047 – Flex Fight Series - Vol. 16 Flex Fight Series am
8 16 Jul 2022 W3-5 Eric Gonzalez 3-2 · 25.4 yrs Open Weight SubRear Naked Choke R37:42 1.00 1,046→1,126 +80 1,123 – Flex Fight Series Vol. 15: Fight Festival Flex Fight Series am
7 11 Dec 2021 L2-5 Kalik Battle 4-4 · 26.0 yrs Flyweighttitle DecisionSplit R39:00 0.44 1,030→1,046 +16 1,165 – Flex Fight Series - Beast Mode Vol. 9 Flex Fight Series am
6 27 Aug 2021 W2-4 Nyaz Guzman debut Flyweight DecisionUnanimous R39:00 0.84 974→1,030 +56 1,036 – Flex Fight Series - Battle Garden Vol. 4 Flex Fight Series am
5 11 Oct 2019 L1-4 Matthew Santos 1-3 · 20.6 yrs Bantamweight DecisionSplit R39:00 0.44 968→972 +5 1,036 – Triton Fights 15 Triton Fights am
4 2 Aug 2019 W1-3 John Wulffen debut Flyweight DecisionSplit R39:00 0.56 937→968 +31 1,065 – Triton Fights 14 Triton Fights am
3 12 Apr 2019 L0-3 Orlando Ortega 1-1 · 26.5 yrs Flyweight DecisionUnanimous R39:00 0.16 972→937 -35 1,022 – Triton Fights 12: Game Over Triton Fights am
2 14 Sep 2018 L0-2 John Ladisa 0-1 Flyweight DecisionUnanimous R39:00 0.16 1,019→972 -47 1,008 – Triton Fights 9 Triton Fights am
1 12 Sep 2015 L0-1 Geoffrey Then debut · 23.2 yrs Bantamweight DecisionUnanimous R39:00 0.16 1,065→1,021 -45 1,065 – NYFE 8: Only The Strong Survive New York Fight Exchange am