Boxers / William Guthrie / Boxerbook rating

William Guthrie: Boxerbook rating

William Guthrie has a Boxerbook rating of 1577 ± 216 from 42 counted bouts, as of Oct 13, 2026. Not in a division list: inactive since May 2007 (no bout for 12 months).

Rating1577 ± 216
Placenot listed
Counted bouts42
Unknown opponents37 of 42
Schedule, career1167
Schedule, 36 monthsno bouts
Form, last 52.1 of 3.5
Data confidence5%
Statusinactive since May 2007

Rating over time

high 1973 · low 1555May 1989Apr 2008

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: 37 of 42 bouts.

D
James Johnson (no page: counted as 1100)
May 12, 2007 · SD 6/6 · weight ×0.90
−27
→ 1577
L
Marlon Hayes (no page: counted as 1100)
Jan 26, 2007 · UD 12/12 · weight ×1.10
−82
→ 1604
W
Donnell Wiggins (no page: counted as 1100)
Dec 9, 2006 · TKO 4/8 · weight ×1.00
+8
→ 1687
W
Luke Munsen (no page: counted as 1100)
Won vacant IBF International cruiserweight title
Jul 29, 2006 · TKO 5/12 · weight ×1.16
+10
→ 1678
W
Carlos Bates (no page: counted as 1100)
May 27, 2006 · TKO 1/4 · weight ×0.80
+7
→ 1668
W
Eric Starr (no page: counted as 1100)
Apr 29, 2006 · TKO 5/6 · weight ×0.90
+9
→ 1661
W
Vincent Harris (no page: counted as 1100)
Mar 31, 2006 · MD 4/4 · weight ×0.80
+8
→ 1653
D
Rodney Moore
Dec 3, 2005 · MD 6/6 · weight ×0.90 · opponent 1336
−40
→ 1645
W
Preston Kenney (no page: counted as 1100)
Jun 2, 2005 · KO 1/8 · weight ×1.00
+10
→ 1685
W
John Roman Williams (no page: counted as 1100)
Nov 27, 2004 · KO 2/8 · weight ×1.00
+10
→ 1675
D
Hilario Guzman (no page: counted as 1100)
Sep 24, 2004 · PTS 6/6 · weight ×0.90
−37
→ 1665
L
Ravea Springs (no page: counted as 1100)
For vacant NABO cruiserweight title
Feb 7, 2002 · TKO 11/12 · weight ×1.16
−97
→ 1702
W
Terry Porter (no page: counted as 1100)
Sep 25, 2001 · UD 8/8 · weight ×1.00
+6
→ 1800
W
Lorenzo Boyd (no page: counted as 1100)
Jul 24, 2001 · TKO 2/8 · weight ×1.00
+6
→ 1794
W
John Kiser (no page: counted as 1100)
May 6, 2000 · SD 8/8 · weight ×1.00
+6
→ 1788
W
Wesley Martin (no page: counted as 1100)
Mar 11, 2000 · UD 8/8 · weight ×1.00
+6
→ 1782
L
Michael Nunn
May 9, 1999 · TKO 7/10 · weight ×1.05 · opponent 1961
−40
→ 1776
L
Reggie Johnson
For IBF light heavyweight title
Feb 6, 1998 · KO 5/12 · weight ×1.65 · opponent 1794
−158
→ 1815
W
Darin Allen
Won vacant IBF light-heavyweight title
Jul 19, 1997 · TKO 3/12 · weight ×1.65 · opponent 1710
+63
→ 1973
W
Jamie Stevenson (no page: counted as 1100)
Mar 28, 1997 · KO 3/4 · weight ×0.80
+5
→ 1910
Show all 42 counted bouts
W
Ramzi Hassan (no page: counted as 1100)
Jun 29, 1996 · TKO 6/10 · weight ×1.05
+7
→ 1905
W
John Kiser (no page: counted as 1100)
May 18, 1996 · UD 8/8 · weight ×1.00
+7
→ 1898
W
Jerome Hill (no page: counted as 1100)
Feb 24, 1996 · TKO 2 · weight ×1.00
+7
→ 1892
W
Tim Hillie (no page: counted as 1100)
Jan 27, 1996 · SD 10/10 · weight ×1.05
+8
→ 1885
W
Richard Frazier (no page: counted as 1100)
Won vacant USBA light-heavyweight title
Nov 8, 1995 · KO 4/12 · weight ×1.16
+9
→ 1877
W
Jeff Bowman (no page: counted as 1100)
Oct 3, 1995 · TKO 3 · weight ×1.00
+8
→ 1869
W
Ron Butler (no page: counted as 1100)
Apr 25, 1995 · TKO 3 · weight ×1.00
+8
→ 1861
W
Travis Meat (no page: counted as 1100)
Feb 6, 1995 · KO 1/8 · weight ×1.00
+9
→ 1852
W
Donnie Penelton (no page: counted as 1100)
Nov 28, 1994 · KO 2/8 · weight ×1.00
+9
→ 1843
W
Darrell Kizer (no page: counted as 1100)
Jun 23, 1994 · TKO 2 · weight ×1.00
+10
→ 1834
W
Krishna Wainwright (no page: counted as 1100)
May 5, 1994 · RTD 6/8 · weight ×1.00
+11
→ 1824
W
Jimmy Bills (no page: counted as 1100)
Apr 11, 1994 · KO 3 · weight ×1.00
+12
→ 1813
W
Tim Knight (no page: counted as 1100)
Aug 27, 1993 · PTS 10/10 · weight ×1.05
+13
→ 1801
W
Anthony Campbell (no page: counted as 1100)
May 6, 1993 · KO 2 · weight ×1.00
+14
→ 1788
W
Eric Cole (no page: counted as 1100)
Jul 28, 1990 · TKO 1/6 · weight ×0.90
+13
→ 1774
W
David Gwynn (no page: counted as 1100)
Apr 27, 1990 · KO 1/6 · weight ×0.90
+14
→ 1761
W
Lee Smith (no page: counted as 1100)
Mar 24, 1990 · TKO 1 · weight ×1.00
+17
→ 1747
W
Randy Thomas (no page: counted as 1100)
Feb 16, 1990 · TKO 1/6 · weight ×0.90
+18
→ 1730
W
Chris Collins
Nov 3, 1989 · TKO 3/6 · weight ×0.90 · opponent 1500
+82
→ 1712
W
Roy Bedwell (no page: counted as 1100)
Jul 27, 1989 · TKO 1/6 · weight ×0.90
+35
→ 1630
W
Clarence Hutchinson (no page: counted as 1100)
Jun 21, 1989 · TKO 2/4 · weight ×0.80
+40
→ 1595
W
John Moore (no page: counted as 1100)
May 1, 1989 · TKO 2/4 · 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 · William Guthrie: record and titles