In a Premier League season increasingly shaped by injuries, rotation and congested schedules, what happens when the first choices are unavailable can be incredibly important.
A Sky Sports analysis assessing all 20 Premier League clubs has ranked Arsenal top in both the Overall Squad Depth Index and Competitive Depth Index. Mikel Arteta's squad boasts an average substitute market value of £367m, retaining roughly 92 percent of its estimated first-team valuation when deploying an entirely changed second XI.
Manchester City showed a significant drop in second XI valuation without Erling Haaland, while Tottenham distributed notable playing time to rotation options under Roberto De Zerbi. The analysis also highlighted specific weaknesses across the league, including Arsenal's left wing, Liverpool's right flank, and Everton's centre-forward depth.
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