Here is a list of Yamamoto's best fights. For a list of Yamamoto's losses, refer to "Norifumi Yamamoto Losses".
On September 16, 2002 Norifumi Yamamoto faced off against Tetsuo Katsuta in a featherweight bout at age 25. He was coming in with a record of 4-1 (3), and Katsuta was 24 years old and with a record of 6-3-1 (2). Yamamoto stopped Tetsuo Katsuta via TKO.
On May 3, 2006 Norifumi Yamamoto faced off against Kazuyuki Miyata in a lightweight bout at age 29. He was coming in with a record of 14-1 (12), and Miyata was 30 years old and with a record of 2-3 (2). Yamamoto stopped Kazuyuki Miyata via KO.
On December 31, 2005 Norifumi Yamamoto faced off against Genki Sudo in a lightweight bout at age 28. He was coming in with a record of 13-1 (11), and Sudo was 27 years old and with a record of 14-3-1 (12). Yamamoto stopped Genki Sudo via TKO.
On October 13, 2004 Norifumi Yamamoto faced off against Jadamba Narantungalag in a lightweight bout at age 27. He was coming in with a record of 9-1 (7), and Narantungalag was 28 years old and with a record of . Yamamoto stopped Jadamba Narantungalag via KO.
On December 31, 2007 Norifumi Yamamoto faced off against Rani Yahya in a bantamweight bout at age 30. He was coming in with a record of 17-1 (14), and Yahya was 23 years old and with a record of 12-3 (10). Yamamoto stopped Rani Yahya via TKO.
On September 2, 2001 Norifumi Yamamoto faced off against Hideki Kadowaki in a featherweight bout at age 24. He was coming in with a record of 3-0 (2), and Kadowaki was 25 years old and with a record of 2-0-1 (1). Yamamoto stopped Hideki Kadowaki via TKO.
On December 31, 2006 Norifumi Yamamoto faced off against István Majoros in a featherweight bout at age 29. He was coming in with a record of 15-1 (13). Yamamoto stopped István Majoros via TKO.
On May 9, 2003 Norifumi Yamamoto faced off against Jeff Curran in a featherweight bout at age 26. He was coming in with a record of 5-1 (3), and Curran was 25 years old and with a record of 16-5-1 (12). Yamamoto won the fight via 3-round unanimous decision.
On September 7, 2005 Norifumi Yamamoto faced off against Caol Uno in a lightweight bout at age 28. He was coming in with a record of 12-1 (10), and Uno was 30 years old and with a record of 18-7-4 (10). Yamamoto stopped Caol Uno via TKO.
On September 7, 2005 Norifumi Yamamoto faced off against Royler Gracie in a lightweight bout at age 28. He was coming in with a record of 11-1 (9), and Gracie was 39 years old and with a record of 5-2-1 (4). Yamamoto stopped Royler Gracie via KO.
