Under Fifa’s rules, a replacement can be called-up until a day before a nation’s first match, which in this case means Hodgson will need to make a decision on whether to stick with Oxlade-Chamberlain for the duration of the tournament in the danger that he could miss the entire campaign in Brazil.
So who are these standby players? Some are in Miami training hard and some are 'aving it large on their holidays, and some are seemingly too devastated to do anything...
To see the gallery of England's standby players, and how likely they are to replace The Ox, click through the gallery below...
Roy Hodgson's standby list
Show all 7
The news comes as a blow to Hodgson who saw Oxlade-Chamberlain shine at the Sun Life Stadium, as England faltered to a draw with the South American sixth-seeds.
Watch Sam Wallace's latest World Cup video from Miami below:
Oxlade-Chamberlain had also endured an injury-hit season with Arsenal. Knee ligament problems forced him to make just 20 appearances in all competitions.
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