ARSENAL were struck a big blow against Sporting Lisbon as two defenders were forced off injured in the first-half.
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William Saliba suffered an injury and had to be taken off in the first halfCredit: Reuters
Takehiro Tomiyasu had to be brought off after appearing to overstretch, with Ben White taking his place.
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Things then went from bad to worse for Mikel Arteta as star centre-back William Saliba had to be substituted.
Rob Holding took his place but Arsenal fans are concerned the injuries could derail their title bid.