Here is a list of Overeem's best fights. For a list of Overeem's losses, refer to "Alistair Overeem Losses".
On May 15, 2010 Alistair Overeem met Brett Rogers in a heavyweight (Strikeforce Championship) title defense fight. Overeem was 29 years old and with a record of 33-11 (32), and Rogers was 29 years old and with a record of 10-1 (10). Overeem stopped Brett Rogers via 1st-round TKO and successfully defended his title.
On December 31, 2010 Alistair Overeem fought Todd Duffee in a heavyweight title fight for Duffee's DREAM Championship title. Overeem was 30 years old and with a record of 34-11 (33), and Duffee was 25 years old and with a record of 6-1 (6). Overeem stopped Todd Duffee via 1st-round KO and is crowned the new Dynamite heavyweight champion.
On November 16, 2007 Alistair Overeem fought Paul Buentello in a heavyweight title fight for Buentello's Strikeforce Championship title. Overeem was 27 years old and with a record of 26-11 (25), and Buentello was 33 years old and with a record of 25-9 (25). Overeem stopped Paul Buentello via 2nd-round TKO and is crowned the new Strikeforce heavyweight champion.
On November 24, 2018 Alistair Overeem faced off against Sergei Pavlovich in a heavyweight bout at age 38. He was coming in with a record of 44-17 (39), and Pavlovich was 26 years old and with a record of 12-0 (9). Overeem stopped Sergei Pavlovich via TKO.
On December 13, 2014 Alistair Overeem faced off against Stefan Struve in a heavyweight bout at age 34. He was coming in with a record of 38-14 (35), and Struve was 26 years old and with a record of 25-6 (23). Overeem stopped Stefan Struve via KO.
On December 19, 2015 Alistair Overeem faced off against Junior dos Santos in a heavyweight bout at age 35. He was coming in with a record of 40-14 (36), and Santos was 31 years old and with a record of 17-3 (14). Overeem stopped Junior dos Santos via TKO.
On December 31, 2003 Alistair Overeem faced off against Tomohiko Hashimoto in a middleweight bout at age 23. He was coming in with a record of 17-4 (17), and Hashimoto was 26 years old and with a record of 0-2 (0). Overeem stopped Tomohiko Hashimoto via TKO.
On December 30, 2011 Alistair Overeem faced off against Brock Lesnar in a heavyweight bout at age 31. He was coming in with a record of 36-11 (34), and Lesnar was 34 years old and with a record of 5-2 (4). Overeem stopped Brock Lesnar via TKO.
On April 23, 2005 Alistair Overeem faced off against Vitor Belfort in a middleweight bout at age 24. He was coming in with a record of 20-5 (20), and Belfort was 28 years old and with a record of 12-5 (9). Overeem stopped Vitor Belfort via submission.
On June 26, 2005 Alistair Overeem faced off against Igor Vovchanchyn in a middleweight bout at age 25. He was coming in with a record of 21-5 (21), and Vovchanchyn was 31 years old and with a record of 56-8 (48). Overeem stopped Igor Vovchanchyn via submission.