Born on Feb. 4, 1979 in Minsk, Byelorussian, Soviet Socialist Republic. He is a Belarusian MMA fighter and former UFC Heavyweight Champion. He currently competes in Strikeforce.

His first fight was in April of 1999. He was knocked out by Viacheslav Datsik .

In April of 2000 he won by submission against Micheal Tielrooy. Then he knocked out Roman Zentsov the same day.

In May 2000, Arlovski knocked out John Dixon.

He made his UFC debut at UFC 28 where he submitted Aaron Brink in round one.

At UFC 32 Ricco knocked Arlovski out in round 3

UFC 36-Arlovski was knocked out in round 3 by Pedro Rizzo

In round 1 at UFC 40, Arlovski knocked out Ian Freeman

Arlovski knocked out Vladimir Matyushenko in round 1 at UFC 44

At UFC 47 he knocked out Wesley Correira in round 2

UFC 51-Arlovski submitted Tim Sylvia in round 1

Round 1 at UFC 53, Arlovski knocked out Justin Eilers

At UFC 55, he knocked out Paul Buentello in round 1

Arlovski was knocked out by Tim Sylvia in the first round at UFC 59

Tim Sylvia won by unanimous decision at UFC 61

Arlovski knocked out Marcio Cruz at UFC 66

At UFC 70, Arlovski won by decision over Fabricio Werdum

Arlovski knocked Jake O'Brien in round 2 at UFC 82. This was Andrei's last fight in UFC