Abu Hatim al-Razi: No problem with him
Abu Hatim ibn Habban al-Basti: Mentioned him among the Thiqaat
Abu Zur'ah al-Razi: Shaykh, Wahi (weak)
Ahmad ibn Hanbal: Thiqah
Ahmad ibn Shu'ayb al-Nasa'i: Thiqah
Ahmad ibn Salih al-Jili: He considered him Thiqah
Ibn Hajar al-'Asqalani: Saduq (truthful), perhaps made mistakes
Al-Dhahabi: He considered him Thiqah
Muhammad ibn Sa'd Kathir al-Waqidi: He considered him Thiqah
Authors of Tahrir Taqrib al-Tahdhib: Thiqah, and the weakening of Abu Zur'ah alone is rejected, because it is unexplained
Ya'qub ibn Sufyan al-Faswi: No problem with him