Justin Jaynes Steps in to Face Devonte Smith at UFC Fight Night 184

WHAT A DEBUT!!! @JustinJaynesMMA wastes no time at #UFCVegas3. pic.twitter.com/Hlk10FLw5Z

Justin Jaynes has agreed to step in on less than one week’s notice and face Devote Smith at UFC Fight Night 184.

Jaynes replaces Alex da Silva Coelho, who withdrew from the lightweight contest due to undisclosed reasons. MMAjunkie.com was first to report the change. UFC Fight Night 184 takes place on Saturday at the UFC Apex in Las Vegas and is headlined by a heavyweight tilt between Alistair Overeem and Alexander Volkov. The card streams in its entirety on ESPN+.

Jaynes made a big first impression in his Octagon debut, as he knocked out Frank Camacho in 41 seconds at UFC on ESPN 11 last June. The Xtreme…