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Johnny Walker opens up about complicated relationship with 'idiot' brother, UFC's Valter Walker

Although he's still early in his heavyweight run, Walker has leapfrogged over his younger half-brother, UFC contender Valter Walker, who is surging through the division with submission after submission.

✦ Extractive summary — built from the sources' own reporting•From 1 source•1 min read•Updated November 10, 2026, 12:09 AM UTC
Key points
  • Walker said on Monday's edition of "The Ariel Helwani Show" that he and Valter train together regularly, but they aren't as close as he would like.
  • According to Johnny, that's where Valter crossed a line, in addition to bringing Johnny's wife and child into the crassness.
  • Walker scored a big knockout of Mick Parkin in his divisional debut in early October, then repeated the favor against Waldo Cortes-Acosta in UFC Vegas 124's main event on Saturday.

Even with the past problems Valter has caused for Johnny and his side of their family, don't expect to see a Walker civil war inside the cage any time soon.

Play with me in private, but to go online and talk s***, it's no good." Johnny and Valter share the same father, which seemingly prompted Valter's comments about Johnny's mother.

Additional details
  • Valter, meanwhile, is continuing his ascent up the ranks with a historic five-fight win streak consisting entirely of first-round leg-lock submissions.
  • "I know he's an idiot and just has a bad sense of humor; he stopped now, but I hope he grows up a little bit more and stops talking s*** about me.
  • I don't know when my mom and my wife will forgive him and forget what he did." After Johnny's latest win over Cortes-Acosta, he's lined up for another big heavyweight contender bout in his next time out.
  • I would love to have my brother close to me, respect me; we were raised and trained together.
  • "My brother can't come to my house in Vegas because my wife doesn't want him here.

How this summary was made: extractive summary — built from the sources' own reporting. It is drawn only from the reporting of the sources listed below — read the originals for full detail. How we summarize →

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