- Wins 18
- KOs 13
After a submission win over Kazuya Yasuhiro “The Kid” won 9 fights in a row, 8 by (T)KO.
- KOed Royler Gracie in :38 of the 2nd at K-1- Hero’s 3.
- (T)KOed (cut) Caol Uno 4:04 2nd at K-1-Hero’s 3.
- (T)KOed Genki Sudo 4:39 1st at K-1-Premium 2005 Dynamite!! To win the K-1 Middleweight Gran Prix.
- KOed Kazuyuki Miyata in 4 seconds, in the fastest KO in K-1-Hero’s history at K-1-Hero’s 5.
- (T)KOed Istvan Majoros 3:46 1st at K-1-Premium 2006 Dynamite!!
- (T)KOed Rani Yahya 3:11 2nd at K-1-Premium 2007 Dynamite!!
Norifumi Yamamoto also ended the night early for:
- Masashi Kameda 4:17 1st.
- Hideki Kadowaki 4:02 1st.
- Tatsuo Katsuta 2:45 1st.
- Caleb Mitchell :40 1st.
- Jadamba Narantungal 1:55 1st.
- Ian James Schaffa 1:23 3rd.
Norifumi ”The Kid’’ Yamamoto… Rest in Peace