Derrick Lewis placed his name atop the UFC heavyweight records for knockouts, finishing Aleksei Oleinik in the second round Saturday night at UFC Vegas 6.
Lewis had to overcome several first round submission attempts by Oleinik, but found his mark in the second.
With a flying knee followed by a straight-right, Lewis put the veteran away.
Chris Weidman, a former UFC champion, earned his first win in over three years when he topped Omari Akhmedov via decision.
Complete results are below:
Derrick Lewis def. Aleksei Oleinik via TKO (strikes) at :21 of Round 2
Chris Weidman def. Omari Akhmedov via unanimous decision (29-27, 29-27, 29-28)
Darren Stewart def. Maki Pitolo via submission (guillotine choke) at 3:41 of Round 1
Yana Kunitskaya def. Julija Stoliarenko via unanimous decision (30-26, 30-27, 30-27)
Beneil Dariush def. Scott Holtzman via KO (spinning elbow) at 4:38 of Round 1
Tim Means def. Laureano Staropoli via unanimous decision (30-27, 29-28, 29-28)
Kevin Holland def. Joaquin Buckley via TKO (strikes) at :32 of Round 3
Nasrat Haqparast def. Alexander Munoz via unanimous decision (30-27, 30-27, 30-27)
Andrew Sanchez def. Wellington Turman via KO (strike) at 4:14 of Round 1
Gavin Tucker def. Justin Jaynes via submission (rear-naked choke) at 1:43 of Round 3
Youssef Zalal def. Peter Barrett via unanimous decision (30-26, 30-26, 30-27)
Irwin Rivera def. Ali AlQaisi via split decision (29-28, 28-29, 29-28)