Derrick Lewis holds UFC knockout record with first round finish of Chris Daukaus

Derrick Lewis is now in the UFC records books as he owns the record for most knockouts in the promotion's 28-year history.

UFC Vegas 45 card: Derrick Lewis vs Chris Daukaus full fight

Chris Daukaus, a former Philly police officer, could be UFC's next

Derrick Lewis Reveals Favorite KO After Record-Breaking

Chris Daukaus Tap Ins & Tap Outs

FULL FIGHT: Derrick Lewis first round knockout against Chris

UFC's Chris Daukaus resigns as cop to fight full-time

Derrick Lewis picks favorite KO after UFC record, blasts 'd*ckhead

UFC: Derrick Lewis vs Tai Tuivasa Added to UFC 271 in Houston

Derrick Lewis vs Chris Daukaus date: UK start time, full fight

Twitter reacts to Derrick Lewis' record-setting KO of Chris

UFC Results: Derrick Lewis vs Chris Daukaus card

UFC Vegas 65 Odds, Pick & Prediction for Derrick Lewis vs. Sergey

Dana White: Derrick Lewis' Roster Spot Safe Despite Recent Skid