The pressure cooker at Old Trafford has reached boiling point — and all eyes are on Ruben Amorim. After a humiliating derby defeat that left Manchester United fans seething, club legends have unleashed a blistering critique of the embattled boss, exposing what they call “fatal weaknesses” that could bring his tenure crashing down.

The derby disaster wasn’t just a bad day at the office. For United supporters, it felt like déjà vu — another reminder of the widening gap between their side and their fiercest rivals. But for the legends watching from the sidelines, it was a tipping point. One by one, ex-players tore into Amorim’s approach, accusing him of tactical naïveté, questionable man-management, and a lack of identity that has left the club adrift.

According to insiders, five major weaknesses have been identified that could ultimately seal his fate:

Fragile Mentality in Big Games

— United crumble under pressure, especially against top rivals.

Predictable Tactics

— Critics say Amorim’s system has been “found out” and lacks flexibility.

Underperforming Stars

— Big-money signings are stagnating under his leadership.

Defensive Disarray

— A backline that looks lost, uncoordinated, and vulnerable to counterattacks.

Lack of Identity

— Fans and pundits alike question what kind of football Amorim actually wants United to play.

The fallout has been brutal. Some club legends went as far as to suggest Amorim is “out of his depth” at the Premier League level, while others warned that unless he makes radical changes fast, his reign could end before it ever truly begins.

For now, the United board is holding its nerve, but pressure is mounting. Fans on social media are split between pleading for patience and demanding immediate change. What’s clear is that United’s season hangs in the balance — and so does Amorim’s future.

Verdict: Derby defeats are never easy, but this one has sparked a revolt that may be impossible to contain. If Ruben Amorim can’t address his five fatal flaws, the legends’ warnings may prove prophetic: his time at Old Trafford could be shorter than anyone imagined.