Here is a list of Siver's best fights. For a list of Siver's losses, refer to "Dennis Siver Losses".
On June 13, 2009 Dennis Siver faced off against Dale Hartt in a welterweight bout at age 30. He was coming in with a record of 14-6 (12), and Hartt was 30 years old and with a record of 6-1 (6). Siver stopped Dale Hartt via submission.
On January 17, 2009 Dennis Siver faced off against Nate Mohr in a welterweight bout at age 30. He was coming in with a record of 13-6 (11), and Mohr was 25 years old and with a record of 8-5 (7). Siver stopped Nate Mohr via TKO.
On November 13, 2010 Dennis Siver faced off against Andre Winner in a welterweight bout at age 31. He was coming in with a record of 17-7 (14). Siver stopped Andre Winner via submission.
On September 8, 2007 Dennis Siver faced off against Naoyuki Kotani in a welterweight bout at age 28. He was coming in with a record of 11-4 (9), and Kotani was 25 years old and with a record of 17-6-5 (13). Siver stopped Naoyuki Kotani via KO.
On November 14, 2009 Dennis Siver faced off against Paul Kelly in a welterweight bout at age 30. He was coming in with a record of 15-6 (13), and Kelly was 25 years old and with a record of 10-1 (7). Siver stopped Paul Kelly via TKO.
On June 25, 2017 Dennis Siver faced off against B.J. Penn in a featherweight bout at age 38. He was coming in with a record of 23-11 (14), and Penn was 38 years old and with a record of 16-11-2 (13). Siver won the fight via 3-round majority decision.
On December 8, 2012 Dennis Siver faced off against Nam Phan in a featherweight bout at age 33. He was coming in with a record of 21-8 (14), and Phan was 29 years old and with a record of 18-10 (12). Siver won the fight via 3-round unanimous decision.
On October 4, 2014 Dennis Siver faced off against Charles Rosa in a featherweight bout at age 35. He was coming in with a record of 22-9 (14), and Rosa was 28 years old and with a record of 9-0 (9). Siver won the fight via 3-round unanimous decision.
On February 27, 2011 Dennis Siver faced off against George Sotiropoulos in a welterweight bout at age 32. He was coming in with a record of 18-7 (14), and Sotiropoulos was 33 years old and with a record of 14-2 (9). Siver won the fight via 3-round unanimous decision.
On April 14, 2012 Dennis Siver faced off against Diego Nunes in a featherweight bout at age 33. He was coming in with a record of 20-8 (14), and Nunes was 29 years old and with a record of 17-2 (11). Siver won the fight via 3-round unanimous decision.
