Sahih Muslim 6426
صحيح مسلم#6426SahihAbu Usaid Ansari reported that he heard Allah's Messenger (ﷺ) as saying:The worthiest of the Ansar or the worthiest of the settlements and the clans of Ansar; the rest of the hadith is the same, but there is no mention of the story of Sa'd b. 'Ubida (Allah be pleased with him)
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 44:255