A move like this would be explosive because it touches identity as much as recruitment. Selling an important defender is one thing. Selling him to Arsenal is another.
Romero has long looked like a defender built for high-stakes football. He is aggressive, front-footed and comfortable defending space, qualities that suit a side expected to play high and dominate territory. If Arsenal are exploring the market for another elite centre-back, the logic is obvious.
There is also a squad-building angle. Mikel Arteta has leaned on defensive stability as the base of his team, and clubs chasing major honours rarely stop adding top-end depth. Romero would not be a development project. He would be a statement.
For Tottenham, this is about more than talent.
That is why any deal still feels unlikely, even if the rumour keeps rolling.
The next thing to watch is not a bid, but the tone. If reports continue to frame Arsenal’s interest as active and Tottenham’s stance as immovable, this could become one of the defining stories of the late summer window.