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After a humiliating defeat against Liverpool just before the international break, Arsenal face off against Bournemouth in the Premier League this weekend.
It will be Arsenal’s first game since the end of the transfer window when Sanchez’s move to Manchester City dramatically collapsed.
Sanchez was in Chile at the time preparing for two key games in World Cup qualifying but was said to have been furious at Arsenal’s failure to complete the deal with City.
Wenger is expected to change to a 4-3-3 which will allow him to reinforce the midfield with an extra player.
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