Chris Duncan fights to keep his mom's memory alive after her murder more than a decade ago

Chris Duncan doesn't measure toughness the way most fighters do. 

On Saturday, Duncan headlines UFC Fight Night in Las Vegas against No. 10-ranked lightweight and teammate Renato Moicano. But to reach this point, Duncan had to endure an almost indescribable pain. 

In April 2014, just as Duncan was preparing to make his amateur MMA debut, his mother, Elaine Duncan, was brutally murdered by her ex-partner James Morley.

Morley had eight previous domestic abuse convictions for attacking Elaine. He targeted her four days after he was released from prison, after breaching court orders passed to protect her. The attack, which included the use of a cooking pot and a knife, was so sinister that it left a groove in Elaine's skull, according to a judge. Morley was eventually sentenced to serve at least 20 years in a Scottish prison.

Duncan was notified of the incident the day of his weigh-ins. Instead of withdrawing from the bout, which anyone would completely understand, he pushed through.

After winning the bout the next day, surrounded by familiar habits and people, something felt off at his post-fight after-party. It wasn't the natural somberness cast over the celebration, but a deeper epiphany about Duncan's future.

"It gave me a sense that your life can be ripped away from you at any given moment," Duncan told CBS Sports about his mom's death. "I remember standing in the club after the fight, drinking. I remember being around some of my friends and people I didn't really know with some bad habits, like drinking and drugs.

"I remember thinking to myself, 'Why am I wasting my time drinking, doing cocaine, and all these crazy things? I'm wasting away my life.'"

There wasn't a grand plan that followed. Just a decision to stop wasting time. He tore through the European regional scene in 2018 and knocked out each of the three opponents he fought in Bellator MMA in 2019 and 2020. Despite a setback in his first opportunity at "Dana White's Contender Series" in 2021, he returned in 2022 to make the most of the redemption chance with a brutal knockout to earn a UFC contract.

Now, 6-1 under the UFC banner, Duncan gets his first main event chance on the precipice of becoming an elite lightweight.

"I decided to move into something I enjoyed," Duncan said. "That was the gym, not so much MMA. I enjoyed fitness and training. That transpired into me jumping onto the MMA mat and getting better. That snowballed to me joining the UFC."

He talks about it like it's all connected. 

"It's a big catalyst for how it began and why it still goes on," Duncan said. "My mother had zero possessions. She was homeless. She had nothing. All we had was a wedding ring and a couple of photos from her."

That's why the damage from fighting doesn't register the same way. After his Fight of the Night win against Mateusz Rebecki last year, Duncan's face was a mess. Cuts, swelling and everything you'd expect from a battle like that. He brushed it off without much thought.

"You can't beat who won't quit. I don't quit," Duncan said in his post-fight interview. "I've been through everything. You see this here? This is nothing. This is superficial."

For Duncan, pain has context. While there is plenty of damage felt within the Octagon, it never tells the full story. 

Duncan suffered a tragedy that is forever tethered to his career. He fights not only to honor his mother but to breathe new life into the memory of a woman who left little behind but her son.

"It's good to now share with people who've lost their moms or gone through similar instances," Duncan said. "I'm giving her memories. We have only memories because we don't have much hard evidence.

"Giving her a shoutout gives her a memory and gives me something to work for."