Definition: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: Theo Walcott and Alex Oxlade-Chamberlain are out until after the forthcoming international break, Arsenal boss Arsene Wenger has announced. Both England internationals went off in the opening 20 minutes of Tuesday's Capital One Cup fourth-round loss at Sheffield Wednesday. Oxlade-Chamberlain was replaced after five minutes due to a hamstring problem and, Walcott, who came on in his place, went off after 19 minutes with a calf problem. Wenger is still waiting for scans to determine the full extent of the injuries, but neither will feature for the Gunners in the next three games or for England in November's international break.Theo Walcott and Alex Oxlade-Chamberlain both went off early on against Sheffield Wednesday in Arsenal's Capital One Cup fourth-round lossBoth are now out of action until after the forthcoming international breakThe England duo join a long list of Gunners players out injured 
 Question:Walcott and Oxlade-_ are the latest to join an injury list which includes Danny Welbeck (knee), Jack Wilshere (ankle) and Tomas Rosicky (knee).

Chamberlain