Charlie Radtke

Chuck Buffalo

USA

Gets right back in win column
WelterweightUFC
November 1, 2025
Radtke defeated Daniel Frunza via submission (rear-naked choke) at 4:30 of Round 3 at UFC Fight Night on Saturday in Las Vegas.
ANALYSIS
It was a major rebound performance from Radtke on the heels of his second-round knockout loss to Mike Malott in May, albeit against a much weaker opponent. Radtke recognized Frunza had zero chance of shutting down his grappling game, so he leaned on it repeatedly. Charlie turned three successful takedown attempts into 11:41 worth of control time. He was dominant and heavy from top position, eliminating any chance of Frunza doing offensive damage. Charlie is by no means at contender at 170 pounds, but with a 4-2 record in his first half-dozen UFC bouts, he has value to a company which holds an event most every Saturday.
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Frunza up next
WelterweightUFC
October 10, 2025
Radtke is scheduled to compete against Daniel Frunza in a welterweight fight at UFC Vegas 110 on Nov. 1, per Marcel Dorff of Eurosport.nl.
ANALYSIS
Radtke will look to finish his 2025 with a win. The year includes a KO loss on his part, to Mike Malott at UFC 315 in May. Around the same spring, Frunza was finished by Rhys McGee, so both he and Radtke will look to bounce back.
Finished by Mike Malott
WelterweightUFC
May 10, 2025
Radtke lost to Mike Malott via KO (punches) at 0:26 of Round 2 at UFC 315 on Saturday in Montreal.
ANALYSIS
Radtke is a tough guy and has shown a willingness to engage with his opposition in the past, but his biggest flaw has been a lack of durability at times, and we saw that again here. He dropped Round 1 to Malott, but was by no means overwhelmed. That all changed early in Round 2 when one straight left and some follow-up blows ended things in an instant. "Chuck Buffalo" has very little upside at age 34, but he's 3-2 since his September 2023 debut and makes for decent roster depth.
Next bout scheduled
WelterweightUFC
February 21, 2025
Radtke will face off against Mike Malott at UFC 315 on May 10, Marcel Dorff of Eurosport.nl reports.
ANALYSIS
Radtke, who is coming off a first round TKO of Matthew Semelsberger, will match up against Mike Malott in May. The 34-year-old American fighter is 3-1 during his time with the UFC.
Destroys Matthew Semelsberger
WelterweightUFC
November 9, 2024
Radtke defeated Matthew Semelsberger via TKO (punches) at 0:51 of Round 1 at UFC Fight Night on Saturday in Las Vegas.
ANALYSIS
Radtke displayed big power at times during his run on the regional scene and it's nice to see that carrying over to the UFC. Semelsberger has major durability issues, but Radtke was easily able to put him away with a quick one-two combination. "Chuck Buffalo" has minimal experience for a guy that turned 34 years of age in July, but he's already 3-1 in the UFC and his lone defeat came to an high-end opponent in Carlos Prates. Radtke's roster spot is plenty secure, even if his long-term upside appears pretty limited.
Semelsberger up next
WelterweightUFC
October 15, 2024
Radtke is scheduled to compete against Matthew Semelsberger in a welterweight fight at UFC Vegas 100 on Nov. 9, per Marcel Dorff of Eurosport.nl.
ANALYSIS
Radtke will look to bounce back after suffering a first-round knockout from Carlos Prates. Earlier this year, he finished Gilbert Urbina in the same amount of time Prates knocked him out.