Abu Hatim ibn Hibban al-Busti: He was initially inclined towards the Murji'ah sect, but Allah guided him through Ahmad ibn Hanbal and he embraced the Sunnah, defended it, and refuted those who opposed it, while adhering to the religion.
Abu 'Isa al-Tirmidhi: The righteous man
Ahmad ibn Shu'ayb al-Nasa'i: Trustworthy
Ibn Hajar al-'Asqalani: Trustworthy jurist, worshiper
Al-Dhahabi: Trustworthy, worshiper, caller to the Sunnah