Guehi’s withdrawal changes the balance of the defence
Guehi left Manchester City’s match at Nottingham Forest at half-time and will remain with his club. England lose a defender comfortable stepping into midfield and defending large spaces behind a high line, so the replacement must support the same structure in a different way.

Burn offers height, strength and experience across more than one defensive position. He can play centrally or on the left, which allows Tuchel to adjust the line without making another squad change. His communication should also help younger defenders during a short camp.
The timing leaves little room for a separate plan
England confirmed the change on 9 November. Burn joined training on the same day, only three days before the home match with Croatia. The staff therefore need to integrate him into existing patterns rather than build a new defensive system around one absence.
Set pieces are one area where his role can be immediate. Burn can mark a major aerial target in defence and provide another option in the opposing penalty area. That value matters in a close international match where one corner may produce the clearest chance.
Positioning will matter more than matching Guehi’s style
A replacement does not have to copy the withdrawn player. Burn is most effective when he can read the pass, protect the area and use his reach in duels. Asking him to defend repeated open-field races would ignore those strengths.
England can help by controlling the distance between midfield and defence. If the first line of pressure is broken, Rice or another holding player must delay the attack long enough for the back line to reset. That collective protection reduces the effect of any individual change.

Burn’s experience gives Tuchel a reliable short-term answer
The defender already has eleven senior caps and knows the demands of an England camp. He will not need an introduction to the environment, media schedule or match preparation, so his attention can remain on the tactical details required for Croatia.
Guehi’s injury is a setback, but England still have several centre-back combinations available. Burn’s arrival preserves depth and adds a different physical profile. The success of the change will depend on clear roles, especially when the full-backs advance and the remaining defenders must cover the space behind them.