BBC News
Alex Howell - Arsenal reporter
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Saliba's back for Arsenal - how does Arteta solve his defensive dilemma?
William Saliba returning to first-team training before Arsenal's game with Slavia Prague in the Champions League is a huge boost for the club but now presents Mikel Arteta with a selection headache.
Arsenal boss Mikel Arteta will soon have a big defensive dilemma.
But it is one that will be both welcome to the Arsenal boss and the envy of other top teams across the continent.
That's because Wi… [+4594 chars]
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