

You can watch Jhonata Diniz vs Tanner Boser live stream on Surprise Stream (surprisestream.com). This is a live-sports streaming service that offers a free preview before subscribing. That preview lets you try the service before paying; it is not a guarantee of Jhonata Diniz vs Tanner Boser coverage.
Jhonata Diniz vs. Tanner Boser is scheduled for Saturday, October 17, 2026. The matchup is part of UFC Fight Night: Buckley vs. Malott, rather than a separate event headlined by Diniz and Boser.
The fight is scheduled for Rogers Place in Edmonton, Canada. That is the venue for UFC Fight Night: Buckley vs. Malott, the card that includes the Diniz vs. Boser matchup.
Diniz and Boser are scheduled to meet at heavyweight. Their matchup is a heavyweight bout on the Buckley vs. Malott card, with both fighters competing in the same weight class.
The bout is scheduled for three rounds. That is the scheduled length for this heavyweight matchup between Diniz and Boser, not a statement that the fight will necessarily go all three rounds.
Both fighters are 35 years old. Diniz and Boser enter this scheduled matchup at the same age, so neither fighter has an age advantage over the other in the tale of the tape.