Sergio Mora Warns of 'Red Flags' Ahead of Spence vs. Tszyu Fight

Former champion cites Spence's inactivity, trainer change, and stylistic clash as potential issues for the highly anticipated bout.

Published on Feb. 16, 2026

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Former world champion Sergio Mora has voiced serious concerns about Errol Spence Jr.'s preparation and overall chances in his upcoming fight against Tim Tszyu. Mora cited a number of 'red flags,' including Spence's devastating loss to Terence Crawford, his extended period of inactivity, and his decision to move forward without longtime trainer Derrick James. Meanwhile, Tszyu appears to be building momentum, training in Miami under new coach Pedro Diaz and scheduled for a 'warm-up' fight before facing Spence.

Why it matters

This fight represents a critical juncture for both Spence and Tszyu. For Spence, it's a chance to prove he can still compete at the highest level after a humbling defeat and a long layoff. For Tszyu, it's an opportunity to establish himself as a major force in the division and potentially launch a new chapter in his career.

The details

Spence hasn't fought since his loss to Terence Crawford in July 2023, where he was dropped three times before being stopped. The extended period of inactivity, coupled with his history of injuries and car accidents, has led many to question whether Spence would ever return to the sport. Mora also highlighted Spence's decision to move forward without longtime trainer Derrick James, stating that the absence of James's guidance raises concerns about Spence's preparation and mental state. Meanwhile, Tszyu is currently training in Miami under new coach Pedro Diaz and is slated for a 'warm-up' fight before facing Spence. Mora also pointed to the stylistic matchup as a potential issue for Spence, as both fighters are known for their aggressive, front-foot approach.

  • Spence hasn't fought since his loss to Terence Crawford in July 2023.
  • Tszyu is scheduled for a 'warm-up' fight in late March 2026.

The players

Errol Spence Jr.

A former welterweight champion who is making his return to the ring after a devastating loss to Terence Crawford and a long period of inactivity.

Tim Tszyu

A rising contender in the welterweight division who is looking to establish himself as a major force by defeating Spence.

Sergio Mora

A former world champion boxer who has voiced concerns about Spence's preparation and chances in the upcoming fight against Tszyu.

Derrick James

Spence's longtime trainer, whose absence from Spence's corner is seen as a significant red flag by Mora.

Pedro Diaz

Tszyu's new coach, who is training him in Miami for the upcoming fight.

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What they’re saying

“We must not let individuals continue to damage private property in San Francisco.”

— Robert Jenkins, San Francisco resident (San Francisco Chronicle)

“Fifty years is such an accomplishment in San Francisco, especially with the way the city has changed over the years.”

— Gordon Edgar, grocery employee (Instagram)

What’s next

The fight between Errol Spence Jr. and Tim Tszyu is targeted for this summer, but a specific date and venue have not yet been confirmed. Tszyu is scheduled to have a warm-up fight in late March before facing Spence.

The takeaway

This fight represents a critical juncture for both Spence and Tszyu. For Spence, it's a chance to prove he can still compete at the highest level after a humbling defeat and a long layoff. For Tszyu, it's an opportunity to establish himself as a major force in the division and potentially launch a new chapter in his career. The concerns raised by Sergio Mora about Spence's preparation and the stylistic clash between the two fighters add an extra layer of intrigue to this highly anticipated bout.