Abu Ahmad ibn Adi al-Jurjani: Most of his hadiths are not supported by trustworthy narrators, and the majority of his hadiths are Munkar (rejected)
Abu al-Fath al-Azdi: Abandoned in Hadith
Abu al-Qasim al-Baghawi: Weak in Hadith
Abu Hatim al-Razi: Weak in Hadith, Rejected in Hadith, Abandoned in Hadith
Abu Hatim ibn Hibban al-Busti: He was among those who narrated fabricated hadiths from trustworthy narrators, which when a scholar of Hadith heard, he would not doubt that they were fabricated. It is obligatory to avoid narrating from him in books
Abu Zur'a al-Razi: Weak in Hadith, Feeble in Hadith
Abu 'Abd Allah al-Hakim al-Naysaburi: He narrated Munkar (rejected) hadiths from Nafi' and Zayd ibn Aslam
Abu Nu'aym al-Asbahani: Weak
Ahmad ibn Hanbal: He was nothing. I met him but did not hear from him. He was close to Ibn Abi Yahya
Ahmad ibn Shu'ayb al-Nasa'i: Weak, and once: Abandoned in Hadith
Ahmad ibn Salih al-Misri: Trustworthy, I know nothing but good about him. I have not seen anyone speak ill of him
Ibn Hajar al-'Asqalani: Weak
al-Daraqutni: Abandoned in Hadith
Zakariya ibn Yahya al-Saji: There is weakness in him
Sa'id ibn Abi Maryam: He was nothing
Ali ibn al-Madini: He was weak, his hadiths should not be written, and he is nothing
Muhammad ibn Isma'il al-Bukhari: Rejected in Hadith
Authors of Tahrir Taqrib al-Tahdhib: Abandoned in Hadith
Yahya ibn Ma'in: His hadith is not worth a fils, and once: His hadith is not like that, and once: Weak in Hadith
Ya'qub ibn Sufyan al-Faswi: Rejected in Hadith, Weak