Matyushenko moved in to throw a strike, and ran right into Gustafsson's jab. He was stunned and fell to the ground. Gustafsson threw strikes until the bout was stopped at 2:13.
"I was prepared for three hard rounds, and Matyushenko is a tough guy, but I got the knockout," Gustaffson said after the bout. "It was a good punch. It was my day today."
Gustafsson has been on a tear since losing to Phil Davis early in 2010. He has four straight wins and a record of 13-1, proving himself as a prospect to watch in the UFC's light heavyweight division.