Sergio Pettis

Where the 1634.3 rating comes from

From 23 bouts played between 16 November 2013 and 11 April 2026, and from them alone. Every line below was written at computation time: nothing is recomputed to show this page.

How to read this

On the right: the change this bout produced, then the value before → after. A line's arrival value is the next line's starting value, down to the starting rating given to every newcomer. A ±0.0 is a counted bout that did not move the rating, a walkover for instance.

23 bouts, from the most recent to the first

beaten by Mitchell McKee
11/04/26 · PFL Chicago: Pettis vs. McKee · main card · detail
−16.21650.5 → 1634.3
03/10/25 · PFL Champions Series 3 · main card · detail
+9.61640.9 → 1650.5
27/06/25 · PFL 7 (2025) · main card · detail
+13.41627.5 → 1640.9
beaten by Patchy Mix
17/11/23 · Bellator 301 · main card · detail
−11.61639.2 → 1627.5
16/06/23 · Bellator 297 · main card · detail
+13.61625.5 → 1639.2
03/12/21 · Bellator 272 · main card · detail
+13.21612.3 → 1625.5
07/05/21 · Bellator 258 · main card · detail
+12.61599.7 → 1612.3
24/07/20 · Bellator MMA in 2020 — Bellator 242 · main card · detail
+9.21590.5 → 1599.7
25/01/20 · Bellator MMA in 2020 — Bellator 238 · fight card · detail
+9.21581.3 → 1590.5
21/09/19 · UFC Fight Night: Rodríguez vs. Stephens · preliminary card · detail
+8.11573.2 → 1581.3
beaten by Rob Font
15/12/18 · UFC on Fox: Lee vs. Iaquinta 2 · main card · detail
−13.21586.4 → 1573.2
beaten by Jussier Formiga
06/10/18 · UFC 229 · preliminary card · detail
−12.71599.1 → 1586.4
09/06/18 · UFC 225 · preliminary card · detail
+14.51584.6 → 1599.1
beaten by Henry Cejudo
02/12/17 · UFC 218 · main card · detail
−25.91610.5 → 1584.6
05/08/17 · UFC Fight Night: Pettis vs. Moreno · main card · detail
+23.21587.3 → 1610.5
15/01/17 · UFC Fight Night: Rodríguez vs. Penn · main card · detail
+21.31566.0 → 1587.3
23/04/16 · UFC 197 · preliminary card · detail
+22.81543.3 → 1566.0
03/10/15 · UFC 192 · preliminary card · detail
+26.51516.8 → 1543.3
beaten by Ryan Benoit
14/03/15 · UFC 185 · preliminary card · detail
−28.71545.5 → 1516.8
06/12/14 · UFC 181 · preliminary card · detail
+22.31523.2 → 1545.5
07/06/14 · UFC Fight Night: Henderson vs. Khabilov · preliminary card · detail
+24.11499.1 → 1523.2
beaten by Alex Caceres
25/01/14 · UFC on Fox: Henderson vs. Thomson · preliminary card · detail
−23.31522.3 → 1499.1
16/11/13 · UFC 167 · preliminary card · detail
+22.31500.0 → 1522.3

Only the bouts the source publishes appear; what is missing is listed. The source gives the day, not the hour: two bouts on the same day are ordered by a reproducible rule, which is not necessarily the real order.