Mikel Arteta said Arsenal's deeper squad was helping the Premier League leaders cope with their "worst" run of injuries as he prepares for Wednesday's match against Brentford.
Spain midfielder Zubimendi's first Arsenal goal, a stunning volley in the 32nd minute, capped a dominant first half for the hosts.
Arsenal have signed defensive midfielder Martin Zubimendi from Real Sociedad on a long-term contract, the Premier League club said on Sunday as the club reinforced a key position weakened by departures last month.
Liverpool manager Arne Slot said on Friday that key transfer target Martin Zubimendi had "decided not to come" to Anfield from Real Sociedad.
