Brian Nielsen (64-3, 43) was born in Korsør, Denmark on April 1, 1965. At the age of 27 years on September 4, 1992, he made his professional boxing debut against Terry Armstrong, winning the fight via 6-round unanimous decision.
Nielsen's last fight was a 10th-round TKO loss to Evander Holyfield at age 46 on May 7, 2011. He retired from the sport of boxing following this loss.
Some of Brian Nielsen's best fights have been against Orlin Norris, Carlos De Leon, Larry Holmes, Jeremy Williams, James Smith, Peter McNeeley and Tim Witherspoon.
Nielsen has 3 losses on his boxing record.
| # | Date | Opponent | Weight | Round | Method | Result |
|---|---|---|---|---|---|---|
67  | May 7, 2011 46 years, 1 months 64-3 (43) | 48 years, 6 months 43-10-2 (28) | 10 | TKO | LOSS | |
66 | Apr 19, 2002 37 years 64-2 (43) | Uriah Grant | 8 | UD | WIN | |
65 | Nov 16, 2001 36 years, 7 months 63-2 (43) | Ken Murphy | 8 | UD | WIN | |
64  | Oct 13, 2001 36 years, 6 months 62-2 (43) | 35 years, 3 months 48-3 (42) | 6 | RTD | LOSS | |
63  | Jun 16, 2001 36 years, 2 months 62-1 (43) | 35 years, 8 months 52-7 (27) | HW | 12 | UD | WIN |
62 | Apr 27, 2001 36 years 61-1 (43) | Benji Baker | 6 | TKO | WIN | |
61 | Dec 1, 2000 35 years, 8 months 60-1 (42) | Dicky Ryan | 8 | UD | WIN | |
60 | Nov 3, 2000 35 years, 7 months 59-1 (42) | Andy Sample | 2 | TKO | WIN | |
59 | Oct 6, 2000 35 years, 6 months 58-1 (41) | Kevin Cook | 1 | KO | WIN | |
58  | Apr 28, 2000 35 years 57-1 (40) | 27 years, 8 months 35-3 (31) | HW | 5 | TKO | WIN |
57 | Mar 31, 2000 34 years, 11 months 56-1 (39) | Thomas Williams | 3 | KO | WIN | |
56 | Feb 18, 2000 34 years, 10 months 55-1 (38) | Jeff Pegues | 3 | KO | WIN | |
55 | Jan 14, 2000 34 years, 9 months 54-1 (37) | Troy Weida | HW | 8 | KO | WIN |
54 | Nov 26, 1999 34 years, 7 months 53-1 (36) | Frank Wood | 2 | KO | WIN | |
53 | Oct 29, 1999 34 years, 6 months 52-1 (35) | Don Normand | 1 | KO | WIN | |
52 | Oct 1, 1999 34 years, 6 months 51-1 (34) | Dale Crowe | 8 | UD | WIN | |
51 | Sep 3, 1999 34 years, 5 months 50-1 (34) | Shane Sutcliffe | 5 | KO | WIN | |
50 | Jun 18, 1999 34 years, 2 months 49-1 (33) | Dicky Ryan | 10 | TKO | LOSS | |
49  | Apr 16, 1999 34 years 49-0 (33) | 41 years, 3 months 46-8 (31) | 4 | TKO | WIN | |
48 | Mar 19, 1999 33 years, 11 months 48-0 (32) | Paul Phillips | 2 | KO | WIN | |
47  | Feb 12, 1999 33 years, 10 months 47-0 (31) | 30 years, 6 months 45-3 (34) | 3 | KO | WIN | |
46 | Nov 27, 1998 33 years, 7 months 46-0 (30) | Dan Murphy | 2 | TKO | WIN | |
45 | Nov 6, 1998 33 years, 7 months 45-0 (29) | Lionel Butler | HW | 1 | KO | WIN |
44 | Sep 18, 1998 33 years, 5 months 44-0 (28) | Garing Lane | 2 | KO | WIN | |
43 | Sep 4, 1998 33 years, 5 months 43-0 (27) | Terry Ray | 5 | TKO | WIN | |
42 | Sep 4, 1998 33 years, 5 months 42-0 (26) | George Linberger | 2 | TKO | WIN | |
41 | Feb 27, 1998 32 years, 10 months 41-0 (25) | Joey Guy | 8 | UD | WIN | |
40 | Dec 5, 1997 32 years, 8 months 40-0 (25) | Donnell Wingfield | 1 | KO | WIN | |
39 | Nov 14, 1997 32 years, 7 months 39-0 (24) | Don Steele | HW | 2 | KO | WIN |
38 | Oct 3, 1997 32 years, 6 months 38-0 (23) | Crawford Grimsley | 6 | TKO | WIN | |
37 | Sep 12, 1997 32 years, 5 months 37-0 (22) | Bruce Douglas | 1 | KO | WIN | |
36 | Jul 12, 1997 32 years, 3 months 36-0 (21) | Marcos Gonzales | 4 | TKO | WIN | |
35 | Jun 13, 1997 32 years, 2 months 35-0 (20) | James Pritchard | 3 | KO | WIN | |
34 | May 2, 1997 32 years, 1 months 34-0 (19) | Damon Reed | 8 | UD | WIN | |
33 | Mar 14, 1997 31 years, 11 months 33-0 (19) | Pedro Daniel Franco | 8 | UD | WIN | |
32  | Jan 24, 1997 31 years, 9 months 32-0 (19) | 47 years, 2 months 65-5 (42) | HW | 12 | SD | WIN |
31 | Nov 30, 1996 31 years, 7 months 31-0 (19) | Marcus Rhode | 2 | TKO | WIN | |
30 | Oct 18, 1996 31 years, 6 months 30-0 (18) | Andrew Maynard | 6 | TKO | WIN | |
29 | Sep 13, 1996 31 years, 5 months 29-0 (17) | Jerry Halstead | 2 | KO | WIN | |
28 | May 31, 1996 31 years, 1 months 28-0 (16) | Mike Hunter | HW | 5 | TKO | WIN |
27 | Apr 26, 1996 31 years 27-0 (15) | Salvador Maciel | 3 | TKO | WIN | |
26 | Mar 29, 1996 30 years, 11 months 26-0 (14) | Phil Jackson | HW | 6 | TKO | WIN |
25 | Feb 16, 1996 30 years, 10 months 25-0 (13) | Jeff Lally | 2 | TKO | WIN | |
24 | Jan 12, 1996 30 years, 9 months 24-0 (12) | Tony LaRosa | HW | 2 | TKO | WIN |
23  | Nov 24, 1995 30 years, 7 months 23-0 (11) | 36 years, 6 months 53-7-1 (33) | 3 | TKO | WIN | |
22  | Oct 20, 1995 30 years, 6 months 22-0 (10) | 37 years, 8 months 40-7 (20) | 4 | TKO | WIN | |
21 | Sep 8, 1995 30 years, 5 months 21-0 (9) | Terry Davis | 8 | UD | WIN | |
20 | Jun 9, 1995 30 years, 2 months 20-0 (9) | Jim Huffman | 6 | DQ | WIN | |
19 | Feb 18, 1995 29 years, 10 months 19-0 (9) | Jason Waller | 2 | TKO | WIN | |
18 | Mar 17, 1995 29 years, 11 months 18-0 (8) | Tim Noble | 8 | UD | WIN | |
17 | Mar 11, 1995 29 years, 11 months 17-0 (8) | Doug Davis | 6 | TKO | WIN | |
16 | Feb 18, 1995 29 years, 10 months 16-0 (7) | Matt Green | 1 | KO | WIN | |
15 | Jan 13, 1995 29 years, 9 months 15-0 (6) | Jeff Lampkin | 8 | UD | WIN | |
14 | Nov 11, 1994 29 years, 7 months 14-0 (6) | Terry Anderson | 5 | KO | WIN | |
13  | Oct 7, 1994 29 years, 6 months 13-0 (5) | 41 years, 6 months 39-14-1 (29) | 5 | TKO | WIN | |
12 | Jun 12, 1994 29 years, 2 months 12-0 (4) | George Stephens | 1 | KO | WIN | |
11 | Apr 22, 1994 29 years 11-0 (3) | Ken Merritt | 8 | KO | WIN | |
10 | Mar 25, 1994 28 years, 11 months 10-0 (2) | Ron Gullette | 3 | KO | WIN | |
9  | Mar 5, 1994 28 years, 11 months 9-0 (1) | 27 years, 2 months 6-6 (6) | 4 | UD | WIN | |
8 | Feb 18, 1994 28 years, 10 months 8-0 (1) | Mike Acey | 2 | KO | WIN | |
7 | Dec 5, 1993 28 years, 8 months 7-0 (0) | Mike Dixon | 8 | UD | WIN | |
6 | Oct 29, 1993 28 years, 6 months 6-0 (0) | Jean Chanet | 6 | UD | WIN | |
5 | Sep 17, 1993 28 years, 5 months 5-0 (0) | Roger McKenzie | 6 | UD | WIN | |
4 | Jun 11, 1993 28 years, 2 months 4-0 (0) | Jean Weiss | 6 | UD | WIN | |
3 | Feb 12, 1993 27 years, 10 months 3-0 (0) | Carl Gaffney | 6 | UD | WIN | |
2 | Nov 27, 1992 27 years, 7 months 2-0 (0) | Steve Gee | 6 | UD | WIN | |
1 | Sep 4, 1992 27 years, 5 months 1-0 (0) | Terry Armstrong | 6 | UD | WIN |
