Carlston Harris

Mocambique

Guyana

Released by UFC
WelterweightUFC
June 25, 2026
Harris has been released by UFC, according to Guilherme Cruz of MMAFighting.com.
ANALYSIS
After making his promotional debut in 2021, Harris built a 4-4 record with three stoppages across his eight fights. However, the 38-year-old is ending things on a tough stretch after dropping his last three consecutive bouts.
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Losing streak hits three
WelterweightUFC
May 30, 2026
Harris lost to Jake Matthews via unanimous decision (25-30, 27-30, 27-30) at UFC Fight Night on Saturday in Macau, China.
ANALYSIS
As the scorecards would lead you to believe, it was a rough night at the office for Harris on multiple fronts. He gave up 9:30 worth of control time to Matthews despite the fact the latter didn't attempt a single takedown. Round 1 was the most competitive of the bunch. From there, it was all downhill for Harris. Over the course of the final 10 minutes, he was credited with two significant strikes landed. That is not a misprint. He didn't land a single one in Round 2 and just two in Round 3. Harris will be 39 years of age in July. He's lost three fights in a row and at the rate the UFC is currently dumping guys, Harris' roster spot would appear to be in major jeopardy.
Next fight scheduled
WelterweightUFC
May 16, 2026
Harris (not injury related) will fight fellow welterweight Jake Matthews at UFC Macau on May 30, according to Marcel Dorff of Eurosport.nl.
ANALYSIS
Harris will be good to travel to Macau in under two weeks' notice and replace Muslim Salikhov (undisclosed) to fight Matthews. The substitute is finally looking to bounce back from a TKO loss to Santiago Ponzinibbio in January 2025, nearly 18 months ago.
No longer facing Chiesa
WelterweightUFC
March 14, 2026
Harris won't fight Michael Chiesa at UFC Seattle on March 28 due to visa issues, per Nolan King of USA Today.
ANALYSIS
Harris was looking to snaps a two-bout losing streak in the UFC, but he'll need to wait a little longer to try to get back on the winning side of the Octagon. Meanwhile, Chiesa needs a new opponent, and hasn't had one announced yet.
Draws Chiesa in Seattle
WelterweightUFC
January 17, 2026
Harris will fight Michael Chiesa at UFC Seattle on March 28, Marcel Dorff of Eurosport.nl reports.
ANALYSIS
Harris will get another opportunity to capture his first UFC victory since 2023 after losing consecutive bouts to Khaos Williams and Santiago Ponzinibbio. Momentum will certainly not be in Harris' favor in March, as his next opponent will be looking to build upon a three-fight winning streak.
Fades following fast start
WelterweightUFC
January 11, 2025
Harris lost to Santiago Ponzinibbio via TKO (punches) at 3:13 of Round 3 at UFC Fight Night on Saturday in Las Vegas.
ANALYSIS
It's the second questionable stoppage in three fights, but again, it ultimately wouldn't have impacted the outcome had the bout seen the final bell. Harris was on fire early on. He torched Ponzinibbio in a Round 1 performance which could have earned him a 10-8 score. Yet, he began to absorb more damage as the fight progressed and by Round 3, he was on shaky legs. He was stumbling around after eating countless huge blows, and referee Kerry Hatley obviously felt he could no longer defend himself intelligently. Set to turn 38 years of age in July, Harris can't be giving away fights in which he's clearly ahead at any point. He's now lost two in a row.