Abu Hatim ibn Hibban al-Busti: He mentioned him in al-Thiqat and said: One of the worshippers of the people of Kufa
Abu Nu'aym al-Asbahani: He narrated from Abd Allah ibn Murwan that he said: A truthful man
Ahmad ibn Salih al-Jalili: Trustworthy
Ibn Hajar al-'Asqalani: Trustworthy jurist, worshipper
Al-Dhahabi: One of the flags (prominent figures)
Amir ibn Sharahil al-Sha'bi: I do not know of anyone who sought knowledge more diligently in any horizon than him
Ali ibn al-Madini: No one surpassed Masruq among the companions of Abd Allah
Muhammad ibn Sa'd, the scribe of al-Waqidi: Trustworthy, and he has authentic hadiths
Yahya ibn Ma'in: Trustworthy, no one asks about someone like him