The Čech move: Chelsea closing in on Martínez

The Mourinho parallel

Steinberg reaches back to 2004 for the comparison, and it holds. When José Mourinho arrived at Chelsea, Carlo Cudicini was a capable, popular goalkeeper. Mourinho replaced him with Petr Čech anyway. Not because Cudicini was failing, but because Čech was the kind of goalkeeper that changed what a team could be. Chelsea won back-to-back titles. The rest is Stamford Bridge folklore.

Martínez is that kind of goalkeeper. The Argentine won the World Cup in Qatar, was named the tournament's best goalkeeper, and has spent years as one of the most competitive, psychologically intense number ones in European football. Sánchez, for all his qualities, was never going to be described in those terms.

Alonso's Chelsea takes shape

This is Xabi Alonso's clearest move since taking charge. The early months of any new manager's reign are full of tactical tinkering and squad assessment. This is something different. Replacing your goalkeeper, a position that takes time to bed in and disrupts an entire defensive unit, is not a cautious move. It is a declaration that the squad ceiling needs raising, not just adjusting.

Chelsea have assembled genuine quality across the pitch, and a goalkeeper of this calibre at the back changes the calculation for every opponent they face. Alonso knows what winning looks like. He played in teams that defined European football. Pursuing Martínez suggests he is building one.

Fee, contract, Sánchez destination

The Guardian's report does not detail the fee, the length of Martínez's contract, or where Sánchez is headed next. Whether the transfer is fully completed or still in its final stages also remains unclear from the available reporting. Those details will follow.

What is already visible: a World Cup winner potentially replacing a solid Premier League keeper, in the same seat where Čech replaced Cudicini twenty years ago. The first time that move ended with back-to-back titles.