England may have booked their place in the FIFA World Cup Round of 16 with a dramatic 2-1 comeback victory over DR Congo, but former England defender and pundit Jamie Carragher believes the performance exposed a major flaw that Thomas Tuchel cannot afford to repeat against Mexico.

While Harry Kane’s late brace rescued the Three Lions from a humiliating exit, Carragher insisted the result should not distract from what he described as England’s “biggest mistake” of the tournament so far allowing their defensive structure to become disjointed and leaving huge spaces between the back line and midfield.

England struggled badly in the opening stages against DR Congo, conceding first after being caught out by quick transitions. The African side repeatedly found space behind England’s full-backs, forcing goalkeeper Jordan Pickford into several important saves before Kane eventually inspired the comeback. Although Tuchel praised his players’ resilience after the match, many analysts agreed the performance raised serious questions ahead of the meeting with Mexico.

Carragher believes those problems will be punished even more severely by Mexico, who have already shown throughout the tournament that they are dangerous on the counterattack and thrive in front of their passionate home supporters.

“The biggest mistake against DR Congo wasn’t conceding first,” Carragher reportedly argued during his post-match analysis. “It was how disconnected England became. The distance between defence and midfield was too big, the full-backs were isolated, and DR Congo kept breaking through too easily. If that happens against Mexico at the Azteca, England will have a serious problem.”

The former Liverpool defender stressed that Tuchel must ensure England remain compact throughout the match instead of allowing the game to become stretched. According to Carragher, Mexico will be waiting for exactly the same spaces that DR Congo repeatedly exploited.

He also praised Tuchel for making effective substitutions during the comeback but warned that relying on second-half recoveries is not a sustainable strategy in knockout football.

“England cannot keep expecting Harry Kane to rescue them every time. Eventually you’ll meet a team that won’t give you a second chance. Mexico have the crowd behind them, they know the conditions, and England must start with control instead of chasing the game.”

Carragher added that England’s midfield needs to provide far greater protection to the defence while maintaining possession for longer spells to silence the Mexican supporters.

His verdict echoes wider concerns raised by several pundits, who pointed to England’s lack of defensive balance despite progressing to the last 16. Analysts have highlighted England’s struggles against high pressing, inconsistent positioning and defensive organisation as key issues Tuchel must solve before facing Mexico.

The challenge awaiting England is expected to be even tougher because of the intimidating atmosphere inside the Estadio Azteca and the high altitude in Mexico City. Tuchel himself has admitted the conditions could present a significant disadvantage for his players compared with the hosts.

Nevertheless, Carragher believes England still possess enough quality to reach the quarter-finals if they learn from the mistakes made against DR Congo.

“The quality is there. Kane, Bellingham, Saka and the rest can beat anybody. But knockout football is decided by details. Defensively, England must become much more disciplined. That’s the lesson from the DR Congo game.”

His comments quickly spread across social media, with England supporters offering mixed reactions ahead of the Mexico showdown.

Fans Reactions

@ThreeLionsTom: “Carragher is absolutely right. DR Congo exposed us far too easily.”

@LiamKane10: “Harry Kane saved everyone from talking about how poor we defended.”

 @EmilyFooty: “Tuchel has one more chance to fix this before Mexico punish us.”

 @ENGForever: “The midfield left the defence completely exposed. Carragher spotted it.”

 @BellinghamEra: “If we start slowly again, Mexico will not let us back into the game.”

@SouthStandMike: “Forget the scoreline. The performance was worrying.”

@LionessPride: “Carragher’s warning should be played inside the dressing room.”

@AztecaWatcher: “Mexico’s pace will be twice as dangerous if England leave those same gaps.”

 @FootballRyan: “Tuchel’s substitutions were brilliant, but his starting setup needs work.”

@KaneCaptain9: “Hopefully they learned their lesson. One mistake in knockout football can end your World Cup.”

England now head into one of their toughest tests of the tournament knowing that another comeback may not be enough. With Mexico enjoying home support, altitude advantage and growing confidence, Tuchel’s tactical decisions will come under even greater scrutiny.

Carragher’s message is simple: England’s biggest mistake against DR Congo was allowing themselves to become tactically stretched and defensively vulnerable. If that flaw reappears against Mexico, Harry Kane may not be able to produce another rescue act, and England’s World Cup dream could come to an abrupt end.