Kelvin Gastelum

USA

Takes decision after weight miss
WelterweightUFC
September 13, 2025
Gastelum defeated Dustin Stoltzfus via unanimous decision (30-27, 29-28, 29-28) at UFC Noche on Saturday in San Antonio.
ANALYSIS
It has reached the point in which any good work Gastelum does inside the Octagon is totally negated by his weight management issues. His five-pound miss prior to this fight was arguably his most egregious to date. It also cost him 35 percent of his purse. Kelvin undoubtedly landed the much more damaging strikes, with his Round 2 knockdown of Stoltzfus being by far the biggest moment of the fight. Dustin kept trying to work his way back into the contest, but Kelvin consistently had the answer. Set to turn 34 years of age in late-October and sporting a .500 record dating back to August 2021, the UFC seems unlikely to have much tolerance for Gastelum's antics on the scales moving forward, especially given his history.
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Next bout booked
WelterweightUFC
August 21, 2025
Gastelum will face Dustin Stoltzfus is a welterweight bout at Noche UFC on Sept. 13 in San Antonio, per Marcel Dorff of Eurosport.nl.
ANALYSIS
Gastelum is coming off a loss at the hands of Joe Pyfer back in June. That dropped his UFC record to 13-10, and he'll be looking to pick up his first win since 2024 against Stoltzfus. Gastelum is the more experienced fighter, but he gives up three inches of height and reach to Stoltzfus.
Late surge is not enough
WelterweightUFC
June 7, 2025
Gastelum lost to Joe Pyfer via unanimous decision (28-29, 27-29, 27-30) at UFC 316 on Saturday in Newark, New Jersey.
ANALYSIS
The fact Gastelum was able to survive Round 1, let alone have enough energy to win Round 3, is amazing. Sadly, he did nowhere near enough offensively to take a decision. Known as one of the must durable fighters in the history of the sport, Kelvin survived a pair of knockdowns in the opening frame. He was considerably more competitive as the fight progressed, but part of that was the result of Pyfer's baffling inactivity. It's not as if Gastelum floored the gas pedal. Set to turn 34 years of age in late-October, Kelvin has alternated wins and losses in his past four fights. If the UFC isn't going to be careful regarding the level of opponent it matches him up against, and there's no evidence that will be the case, Gastelum is likely to hover around the .500 mark moving forward.
Pyfer bout rebooked
WelterweightUFC
April 7, 2025
Gastelum will take on Joe Pyfer in a welterweight bout at UFC 316 in Newark, Damon Martin of MMAFighting.com reports.
ANALYSIS
These two were originally slated to square off at UFC Mexico on March 29, but the bout was scrapped from the card due to Pyfer coming down with an illness. Now, the two welterweights are re-booked for June 7. Gastelum will be looking to make it three wins in his last four fights.
Pyfer bout cancelled
WelterweightUFC
March 29, 2025
Gastelum will no longer face Joe Pyfer in a welterweight bout at UFC Mexico on March 29 due to the latter coming down with an illness, Marcel Dorff of Eurosport.nl reports.
ANALYSIS
Gastelum has gone 2-1 over his last three bouts, but he'll need to wait a little while longer to look to add to his win total in the UFC. With Pfyer coming down with whatever sickness is ailing him so close to the fight, the UFC had no time to find a replacement and the bout has been called off all together.
Draws Pyfer in Mexico
WelterweightUFC
December 31, 2024
Gastelum will fight Joe Pyfer at UFC Mexico on March 29, Marcel Dorff of Eurosport.nl reports.
ANALYSIS
Gastelum won his only fight of 2024 against Daniel Rodriguez and is 2-1 in his last three, but the 33-year-old could have a tougher time taking down Pyfer, who has won four of his first five UFC bouts.