Abu Ahmad ibn Adi al-Jurjani: Almost unknown, his weakness is evident in what he narrates, and his hadiths are close (in meaning), and despite his weakness, his hadiths are written down
Abu al-Qasim ibn Bashkuwal: Weak in hadith, almost abandoned
Abu Bakr al-Bazzar: Not strong, and he is a man from the people of Medina, well-known
Abu Bakr al-Bayhaqi: Weak according to the scholars of hadith
Abu Hatim al-Razi: Denier of hadith, weak in hadith, he narrates munkar (rejected) hadiths from trustworthy narrators
Abu Hatim ibn Hibban al-Busti: He was negligent, he would reverse the chain of narrators and not understand, and he would attach the text to it without knowledge, so when that became prevalent in his narrations, it became invalid to use his narrations as proof
Abu Dawud al-Sijistani: Weak
Abu Zur'ah al-Razi: Weak in hadith
Abu Isa al-Tirmidhi: He mentioned him in al-Jami' al-Sahih, and said: He is weak, and he said once: Denier of hadith, and once: He is not strong according to the scholars of hadith
Ahmad ibn Hanbal: His hadiths are munkar (rejected) hadiths, and once: He is not strong in hadith
Ahmad ibn Shu'ayb al-Nasa'i: Not trustworthy
Ibrahim ibn Ya'qub al-Jawzajani: He is weak in hadith
Ibn Hajar al-'Asqalani: Weak, and he has hadiths that are not corroborated
Al-Dhahabi: They weakened him
Zakariya ibn Yahya al-Saji: Denier of hadith
Abdullah ibn Ahmad ibn Hanbal: His hadiths are munkar (rejected), and once: He is not strong in hadith
Muhammad ibn Isma'il al-Bukhari: Denier of hadith, and once: He is weak and his hadith is abandoned, I do not narrate anything from him
Muhammad ibn al-Muthanna: I did not hear Abd al-Rahman ibn 'Awf narrate from him
Muhammad ibn Abdullah ibn al-Barqi: Weakness is prevalent in his narrations
Yahya ibn Ma'in: Weak, his hadith is insignificant, and in the narration of Abbas al-Dawri: He is insignificant, and once: He does not forget, nor does he write down his hadith