Abu Ahmad ibn Adi al-Jurjani: Most of what he narrates is either Munkar in its chain of narration or Munkar in its text
Abu al-Fath al-Azdi: Abandoned in Hadith
Abu Hatim al-Razi: We did not see anything but good, but his Hadith was somewhat criticized for its authenticity
Ahmad ibn Shuayb al-Nasa'i: Abandoned in Hadith
Ibn al-Jarud: The Hadiths he narrates are fabricated
Ibn Hajar al-'Asqalani: One of the weak narrators
al-Daraqutni: Weak
Salih ibn Muhammad Juzra: I have not seen anyone more skilled in lying than him
Ali ibn Muslim: Shaykh of truth
Muhammad ibn Isma'il al-Bukhari: He has Munkar narrations, and sometimes: Abandoned in Hadith, and sometimes: Weak
Muslim ibn al-Hajjaj al-Naysaburi: Abandoned in Hadith
Yahya ibn Ma'in: Nothing, and sometimes: Not reliable, and sometimes: Weak