WORLD Heavyweight Boxing
Moscow, Russia - Murat Gassiev (34-2, 27 KOs) successfully defended his WBA World Heavyweight Championship for the first time on Saturday night, overwhelming late replacement Peter Kadiru (23-2, 13 KOs) before the German's corner threw in the towel during the sixth round at VTB Arena in Moscow.

Originally scheduled to face former Olympic gold medalist Tony Yoka, Gassiev instead found himself opposite Kadiru after Yoka was forced to withdraw with a back injury suffered during training camp. The German accepted the opportunity on short notice, reportedly without the benefit of a full training camp, but was unable to overcome the champion's relentless pressure and punching power.
Gassiev wasted little time imposing himself, stalking forward behind a measured attack that focused on both the head and body. Rather than rushing for an early stoppage, the champion patiently probed Kadiru's defenses with hooks to the ribs before bringing his attack upstairs.
The opening round saw Gassiev repeatedly test the guard with right hooks to the body before mixing in left hooks and a sharp uppercut through the middle. Kadiru produced a well-timed uppercut of his own, but Gassiev closed the frame by backing the challenger up behind a stiff jab and a clubbing right hand.
The Russian champion increased the tempo in the second round, investing heavily downstairs before opening up with powerful hooks from both hands. Kadiru spent much of the round behind a high guard, absorbing sustained pressure while offering only sporadic offense in return.
By the closing minute, Gassiev was landing combinations with increasing regularity, splitting the guard before forcing Kadiru backward with a pair of overhand rights that underlined the growing gap between the two heavyweights.
Kadiru briefly enjoyed success with an early combination in the third round, but it proved only a temporary interruption to Gassiev's relentless advance.
The champion continued walking his challenger down, digging heavy hooks into the body before bringing powerful shots upstairs. As the punishment mounted, veteran heavyweight Derek Chisora, supporting Kadiru's corner, could be heard shouting, "You've got your money, bro—just chuck in the towel and go home," a humorous remark that reflected how firmly Gassiev had taken command.
The pattern continued in the fourth round. Gassiev thudded home more body shots before producing one of his best combinations of the fight upstairs. Kadiru attempted to change the rhythm by briefly switching to a southpaw stance and showed greater resistance during the second half of the round, but the champion comfortably maintained control, punctuating the session with another clean uppercut.
To his credit, Kadiru produced his best spell in the fifth round.
The challenger opened aggressively, landing a left hook and throwing with greater conviction than at any previous stage of the contest. Gassiev welcomed the exchanges, however, calmly regaining control with a heavy hook, a beautifully timed uppercut through the middle and another series of damaging combinations to both the head and body.
By the closing seconds of the round, Kadiru was once again trapped on the ropes, absorbing the heavier and cleaner punches.
The finish arrived early in the sixth round.
Kadiru landed another left hook to begin the session, but Gassiev immediately answered with heavy hooks from both hands before splitting the guard with a crisp uppercut. Sensing his opportunity, the champion trapped the German in the corner and unleashed a sustained barrage of unanswered punches.
Recognizing their fighter had taken enough punishment, Kadiru's corner threw the towel into the ring, prompting the referee to halt the contest and award Gassiev a sixth-round technical knockout.
While Kadiru deserves credit for accepting a world-title opportunity on short notice, the difference in championship experience and punching authority proved decisive.
Rather than chasing an early knockout, Gassiev delivered a disciplined, professional performance, patiently breaking his challenger down with intelligent body work, accurate hooks and well-timed uppercuts before forcing the stoppage.
The victory marks the first successful defense of Gassiev's reign as full WBA World Heavyweight Champion and keeps the Russian firmly positioned among the leading names in a heavyweight division entering a new chapter following Oleksandr Usyk's decision to vacate the title.
If Saturday's performance was intended to send a message to the rest of the heavyweight division, Gassiev accomplished exactly that.