Here’s a complete preview with a betting pick for Saturday’s entertaining fight between Derrick Lewis and Aleksei Oleinik in the main event of UFC Fight Night at the UFC Apex in Las Vegas on Saturday.

Derrick Lewis

Lewis' amateur mixed martial arts career began in 2009 and he went 4-1 as a pro before signing with Bellator in 2010. He then was 6-0 with one no contest, including a win and a successful defense of the Legacy FC Heavyweight Championship after leaving Bellator.

Lewis eventually signed with the UFC and he has wins against Roy Nelson, Travis Browne, Francis Ngannou and Alexander Volkov. He's also faced Mark Hunt, Daniel Cormier and Junior dos Santos and in his last two fights he got decision wins against Blagoy Ivanov and Ilir Latifi. Lewis beat Latifi via unanimous decision at UFC 247 on February 20.

Born: February 7, 1985

Age: 35

Country: United States

Height: 6’3″

Weight: 264 lbs

Reach: 79″

Stance: Orthodox

Association: Grind House Fitness

Class: Heavyweight

Record: 23-8

Aleksei Oleinik

Aleksei Oleinik began his career in 1996. Oleinik is a multiple-time Sambo champion who also specializes in Jiu Jitsu and grappling techniques.

He also won the Absolute division in a grappling tournament hosted by Eddie Alvarez and was in the inaugural Heavyweight tournament for Bellator in 2010.

Oleinik is the only fighter in UFC history to use the rare Sambo submission known as the Ezekiel choke to finish an opponent in the UFC. He's won with this move 12 times in his career.

The battle-tested Russian is 9-3 in the UFC, with back-to-back wins. Oleinik beat Maurice Green via submission in the second round at UFC 246 on January 18 and then had a split decision victory against Fabricio Werdum at UFC 249 on May 9.

Born: June 25, 1977

Age: 43

Country: Russia

Height: 6’2″

Weight: 235 lbs

Reach: 80″

Stance: Orthodox

Association: Oleinik Team

Class: Heavyweight

Record: 59-13-1

UFC Pick

This will be a very entertaining fight but I will side with Lewis to win inside the distance -175 that you can find at A1pph.com. Lewis is a big puncher with a strong chin and he needs only one shot to knock out any opponent.