Sergey Kovalev vs Eleider Alvarez

On August 4, 2018, at Atlantic City's Hard Rock Hotel & Casino, Eleider Alvarez produced one of boxing's significant upsets, knocking out Sergey Kovalev in seven rounds to claim the WBO and IBA light heavyweight titles. The undefeated Colombian's victory drastically altered the division's landscape and raised serious questions about Kovalev's future.

Before the dramatic turning point, Kovalev had built a lead on all scorecards (59-55, 59-55, 58-56), demonstrating higher activity with 91 landed punches from 339 thrown. While less active, Alvarez proved more accurate, landing 73 of 251 attempts, notably absorbing Kovalev's power in the fourth and sixth rounds. However, the fight's complexion changed entirely at 2:45 of the seventh round, marking the beginning of Alvarez's comeback.

The fight's complexion changed entirely at 2:45 of the seventh round. Alvarez unleashed a devastating sequence: an overhand right for the first knockdown and a left hook-right hand combination for the second. With Kovalev visibly compromised, a short right hand produced the third and final knockdown, prompting referee David Fields to halt the contest.

This defeat marked a significant turning point in Kovalev's career, as it was his third loss in five fights. It came after his partnership with new trainer Abror Tursunpulatov following his split from John David Jackson after the Andre Ward losses. While Kovalev later posted on Instagram from an ambulance confirming his health, the result significantly impacted his standing in the division, raising questions about his future in the sport.

The bout's statistics revealed a tactical contrast: Alvarez's precision (29.1% total punches, 32.8% power shots) versus Kovalev's volume (26.8% total connects, 33% power shots). Despite opening a cut under Alvarez's left eye in round six, Kovalev couldn't maintain his early momentum against the new champion's calculated assault.