Boxers / Onalvi Sierra / Boxerbook rating

Onalvi Sierra: Boxerbook rating

Onalvi Sierra has a Boxerbook rating of 1341 ± 280 from 3 counted bouts, as of Oct 20, 2026. Not in a division list: inactive since Apr 2019 (no bout for 12 months).

Rating1341 ± 280
Placenot listed
Counted bouts3
Unknown opponents0 of 3
Schedule, career1863
Schedule, 36 monthsno bouts
Form, last 50.0 of 3.5
Data confidence0%
Statusinactive since Apr 2019

Rating over time

high 1380 · low 1341Dec 2008Apr 2019

μ at the end of each month with a bout, and of every month while active. Red dot: latest.

Bouts behind the rating

Every counted bout, newest first: the change in μ it caused (green up, red down), its weight and the rating after it. Unknown opponents: 0 of 3 bouts.

L
Jezreel Corrales
Apr 30, 2019 · KO 2/8 · weight ×1.00 · opponent 2101
−6
→ 1341
L
Andrés Gutiérrez
For vacant IBF International bantamweight title
Jun 23, 2012 · RTD 9/12 · weight ×1.16 · opponent 1840
−32
→ 1347
L
Miguel Acosta
Dec 27, 2008 · TKO 4/10 · weight ×1.05 · opponent 1647
−120
→ 1380

Publishers and Boxerbook

Consensus: no publisher lists for the division (a list without them counts as 16).

WBC
not in top 15
WBA
not in top 15
IBF
not in top 15
WBO
not in top 15
Ring
not in top 15
TBRB
not in top 15
Boxerbook
not listed

How the Boxerbook rating works · Onalvi Sierra: record and titles