Abu Hatim ibn Hibban al-Busti: He was one of the most knowledgeable people in jurisprudence
Ahmad ibn Hanbal: Trustworthy
Ahmad ibn Salih al-Jili: Trustworthy
Ibn Hajar al-Asqalani: Trustworthy
Al-Dhahabi: A jurist and a scholar
Amr ibn Shu'ayb al-Sahmi: I have not seen anyone more knowledgeable in hadith or jurisprudence than him
Muhammad ibn Sa'd, the scribe of al-Waqidi: Trustworthy
Yahya ibn Sa'id al-Qattan: He considered him one of the jurists of Medina