Manchester City's preparations for their crucial Premier League clash with Arsenal this Sunday have been dealt a significant blow. A key pillar of their defense, Ruben Dias, has been ruled out due to an ankle injury, as reported by the Manchester Evening News.

The Portuguese defender, who started against the Gunners earlier this season, is now expected to be sidelined for the remainder of April. This setback compounds existing concerns in City's backline, with Josko Gvardiol also absent and John Stones facing a fitness race.

Despite these absences, Pep Guardiola's squad depth will be tested. The January acquisition of Marc Guehi, alongside the availability of Nathan Aké and Abdukodir Khusanov, means City can still field a strong central defensive partnership. The team has navigated similar personnel challenges in recent weeks.

In more positive news, the injury scare for left-back Nico O'Reilly appears to have subsided, with Guardiola confirming the player is "fine." Furthermore, City's attacking and midfield units are reported to be in full health, a rare and valuable asset at this intense stage of the season.

This top-of-the-table showdown promises high drama, and while Dias's commanding presence will be missed, City's renowned squad versatility ensures they remain formidable opponents as the title race reaches its climax.