Johnny Walker Knocks Out Mick Parkin in Heavyweight Return
Johnny Walker ended Mick Parkin with a jumping knee at 3:35 of the first round on Saturday at UFC 332. The Brazilian’s return to heavyweight lasted one clinch exchange at the Delta Center in Salt Lake City, and Parkin was out cold before referee Herb Dean could do anything but wave it off.
Walker, in white shorts, had underhooks against the fence with the clock near 1:29. Parkin, in red, was bent forward in the tie-up. The knee came up through the middle and dropped him flat on his back. By 1:27 he was motionless, arms out, mouth open, while Dean moved in. The official result is a KO (knee).
The Paramount+ call did not need a long description. “Oh my goodness,” the commentary said as Parkin hit the canvas, and the same line came again while the camera held on him. Walker stepped away and stood near center as officials attended to Parkin along the fence. There was no follow-up strike. The finish was the knee.
This was Walker’s first heavyweight fight in the UFC since 2018. He had spent the years since at light heavyweight, where the pattern was the same one that made him famous and the same one that kept him from staying near a title. He stopped Zhang Mingyang in the second round on August 23, 2025, then lost a split decision to Dominick Reyes at UFC 327 on April 12. Saturday was the reset. He entered listed at No. 13 at 205 pounds and left with a heavyweight knockout.
The bout had been a pick’em. Walker was originally slated for Ante Delija in Belgrade and did not take that fight. Parkin, then 10-1, was the replacement assignment for October 3. He is now 10-2. Walker moves to 23-10, with one no contest on the record. Seventeen of his wins have come by knockout or TKO.
The sequence fit the reputation more than the recent light heavyweight losses did. Walker has been stopped by strikes multiple times in his career, and a move to heavyweight raises the cost of every exchange he loses. On Saturday he won the one that mattered. He landed 23 of 32 significant strikes in the round, including the knee that ended it, and never needed a takedown. Parkin landed 11 of 16 before the clinch turned.
Parkin had been a live heavyweight on the early prelims, not a newcomer. A 10-1 record and a spot opposite a former light heavyweight contender were enough to make the fight even on the board. None of that showed once Walker got the underhooks. The English heavyweight was still on the canvas when Walker walked off with a hand on his back from a UFC official.
UFC 332 belonged to the vacant women’s flyweight title fight between Natalia Silva and Wang Cong later on the CBS main card. Walker-Parkin sat on the early prelims, at 4 p.m. ET on Paramount+. A jumping-knee knockout still traveled. Heavyweight returns do not usually announce themselves this cleanly, and Walker’s have never been predictable.
No next opponent has been named. What Saturday established is that the 205-pound version of Walker, the one who dropped a split decision to Reyes in April, is not the assignment the UFC just put on the heavyweight roster. Parkin has the loss and a finish that arrived in one clinch. Walker has a highlight at a new weight and the same question he has carried for years: whether the next fight looks like this one, or like the nights that ended with him on the canvas.
