John Ruiz was born in Chelsea, Massachusetts, U.S. on January 4, 1972. He made his professional debut at the age of 20 years on August 20, 1992 against Kevin Parker. Ruiz defeated Parker via 4-round unanimous decision, making a successful beginning of his pro career.
Ruiz got his first shot at a world title at the age of 28 after 39 professional fights. On August 12, 2000 Ruiz challenged Evander Holyfield's WBA heavyweight title but lost via 12-round unanimous decision.
In his next fight, he got another shot at the heavyweight WBA (vacant) title. This time he defeated Holyfield via 12-round unanimous decision, winning his first world title.
Ruiz' last fight was a 9th-round TKO loss to David Haye at age 38, on April 3, 2010, in which he was fighting for the WBA heavyweight title.
Some of John Ruiz' best fights have been against Evander Holyfield (HOFer), Kirk Johnson, Tony Tucker, Andrew Golota, Hasim Rahman, Jameel McCline, and Julius Francis. For a complete list of Ruiz' best fights and their details, refer to "Best fights of John Ruiz".
Ruiz has 9 losses on his record. For details about these losses refer to "John Ruiz Losses".
# | Date | Age | Opponent | Res | Via |
---|---|---|---|---|---|
55 | Apr 03, 2010 | 38 | ![]() | loss | TKO 9 |
54 | Nov 07, 2009 | 37 | ![]() | win | TKO 7 |
53 | Aug 30, 2008 | 36 | ![]() | loss | UD 12 |
52 | Mar 08, 2008 | 36 | ![]() | win | UD 12 |
51 | Oct 13, 2007 | 35 | ![]() | win | TKO 2 |
50 | Nov 18, 2006 | 34 | ![]() | loss | SD 12 |
49 | Dec 17, 2005 | 33 | ![]() | loss | MD 12 |
48 | Apr 30, 2005 | 33 | ![]() | nc | NA
|
47 | Nov 13, 2004 | 32 | ![]() | win | UD 12 |
46 | Apr 17, 2004 | 32 | ![]() | win | TKO 11 |
45 | Dec 13, 2003 | 31 | ![]() | win | UD 12 |
44 | Mar 01, 2003 | 31 | ![]() | loss | UD 12 |
43 | Jul 27, 2002 | 30 | ![]() | win | DQ 10 |
42 | Dec 15, 2001 | 29 | ![]() | draw | SD 12 |
41 | Mar 03, 2001 | 29 | ![]() | win | UD 12 |
40 | Aug 12, 2000 | 28 | ![]() | loss | UD 12 |
39 | Dec 11, 1999 | 27 | ![]() | win | TKO 2 |
38 | Jun 12, 1999 | 27 | ![]() | win | TKO 7 |
37 | Mar 13, 1999 | 27 | ![]() | win | TKO 4 |
36 | Sep 19, 1998 | 26 | ![]() | win | TKO 4 |
35 | Jan 31, 1998 | 26 | ![]() | win | TKO 11 |
34 | Jun 17, 1997 | 25 | ![]() | win | TKO 1 |
33 | Jan 14, 1997 | 25 | ![]() | win | SD 12 |
32 | Nov 26, 1996 | 24 | ![]() | win | TKO 3 |
31 | Oct 25, 1996 | 24 | ![]() | win | TKO 3 |
30 | Jul 18, 1996 | 24 | ![]() | win | TKO 1 |
29 | Jun 06, 1996 | 24 | ![]() | win | TKO 6 |
28 | Mar 15, 1996 | 24 | ![]() | loss | KO 1 |
27 | Oct 07, 1995 | 23 | ![]() | win | TKO 4 |
26 | Aug 24, 1995 | 23 | ![]() | win | KO 1 |
25 | Jun 16, 1995 | 23 | ![]() | win | KO 2 |
24 | May 17, 1995 | 23 | ![]() | win | TKO 4 |
23 | Mar 30, 1995 | 23 | ![]() | win | TKO 1 |
22 | Feb 04, 1995 | 23 | ![]() | win | UD 10 |
21 | Oct 01, 1994 | 22 | ![]() | win | KO 2 |
20 | Aug 04, 1994 | 22 | ![]() | loss | SD 12 |
19 | Jun 25, 1994 | 22 | ![]() | win | TKO 2 |
18 | May 25, 1994 | 22 | ![]() | win | KO 4 |
17 | Nov 27, 1993 | 21 | ![]() | win | PTS 6 |
16 | Nov 03, 1993 | 21 | ![]() | win | PTS 6 |
15 | Aug 12, 1993 | 21 | ![]() | loss | SD 10 |
14 | Jun 25, 1993 | 21 | ![]() | win | UD 8 |
13 | Apr 30, 1993 | 21 | ![]() | win | KO 1 |
12 | Apr 16, 1993 | 21 | ![]() | win | TKO 1 |
11 | Apr 03, 1993 | 21 | ![]() | win | PTS 6 |
10 | Mar 20, 1993 | 21 | ![]() | win | KO 1 |
9 | Mar 05, 1993 | 21 | ![]() | win | TKO 1 |
8 | Feb 20, 1993 | 21 | ![]() | win | KO 1 |
7 | Jan 30, 1993 | 21 | ![]() | win | TKO 2 |
6 | Jan 16, 1993 | 21 | ![]() | win | PTS 6 |
5 | Dec 10, 1992 | 20 | ![]() | win | TKO 1 |
4 | Nov 13, 1992 | 20 | ![]() | win | PTS 6 |
3 | Nov 03, 1992 | 20 | ![]() | win | TKO 2 |
2 | Sep 12, 1992 | 20 | ![]() | win | KO 1 |
1 | Aug 20, 1992 | 20 | ![]() | win | UD 4 |