Boxers / Billy Zumbrun / Boxerbook rating

Billy Zumbrun: Boxerbook rating

Billy Zumbrun has a Boxerbook rating of 1511 ± 219 from 12 counted bouts, as of Oct 13, 2026. Not in a division list: inactive since Aug 2014 (no bout for 12 months).

Rating1511 ± 219
Placenot listed
Counted bouts12
Unknown opponents3 of 12
Schedule, career1755
Schedule, 36 monthsno bouts
Form, last 50.0 of 3.5
Data confidence42%
Statusinactive since Aug 2014

Rating over time

high 1754 · low 1510Jul 2000Aug 2014

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: 3 of 12 bouts.

L
Dominic Breazeale
Aug 16, 2014 · KO 2/8 · weight ×1.00 · opponent 1895
−23
→ 1511
L
Ruslan Chagaev
Apr 21, 2012 · TKO 3/8 · weight ×1.00 · opponent 2201
−5
→ 1534
L
Mike Mollo
Mar 26, 2010 · UD 8/8 · weight ×1.00 · opponent 1815
−36
→ 1539
L
Maurice Harris
Jan 29, 2010 · UD 6/6 · weight ×0.90 · opponent 1643
−88
→ 1574
L
Michael Grant
Jun 27, 2007 · TKO 5/8 · weight ×1.00 · opponent 2030
−33
→ 1663
L
Alexander Dimitrenko
For WBO Inter-Continental heavyweight title
Nov 18, 2006 · UD 12/12 · weight ×1.16 · opponent 2040
−53
→ 1695
L
Riddick Bowe
Apr 7, 2005 · SD 10/10 · weight ×1.05 · opponent 2533
−6
→ 1748
W
Byron L. Polley (no page: counted as 1100)
May 25, 2002 · UD 4 · weight ×0.80
+14
→ 1754
W
Eric Esch
Aug 19, 2001 · MD 4/4 · weight ×0.80 · opponent 1898
+230
→ 1740
L
Michael Bennett
Apr 7, 2001 · TKO 1/4 · weight ×0.80 · opponent 1710
−86
→ 1510
W
Juan Carlos Maldonado (no page: counted as 1100)
Sep 24, 2000 · TKO 1/4 · weight ×0.80
+40
→ 1595
W
Sean Connery Johnson (no page: counted as 1100)
Jul 21, 2000 · KO 1/4 · weight ×0.80
+55
→ 1555

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 · Billy Zumbrun: record and titles