England captain John Terry looks increasingly unlikely to be fit for Saturday's World Cup qualifying match against Kazakhstan at Wembley because of injury.
The Chelsea defender is reported to have suffered a recurrence of his long-standing back problem and is unlikely to be risked.
Reports on Thursday also suggested that he could miss England's qualifier away to Belarus on Wednesday.
Should he not make it, Matthew Upson or Joleon Lescott are favourites to replace him in defence, while Rio Ferdinand would be the most likely captain in his absence.

The German car market is facing its worse downturn, the nation's auto industry association warned Wednesday as the deepening sense of economic gloom in the country leads to a shakeout in the industry and the prospects of big job cuts.
A comedy starring Vince Vaughn and Reese Witherspoon as a couple trying to avoid their families at Christmas debuted in first place over the weekend at North American box offices, according to preliminary studio estimates issued Sunday.