Abu Dawud al-Sijistani: Did not hear from Sa'd ibn Malik
Ahmad ibn Shu'ayb al-Nasa'i: Thiqah (Trustworthy)
Ahmad ibn Salih al-Jili: Thiqah (Trustworthy)
Ibn Hajar al-'Asqalani: Thiqah (Trustworthy) and he used to narrate many Hadiths through intermediaries (Mursal Hadith)
Al-Dhahabi: Truthful, he narrated Hadiths through intermediaries (Mursal Hadith) about creation
Duhaym al-Dimashqi: From the major Sheikhs of Hims, Thiqah (Trustworthy)
Muhammad ibn Auf al-Himsi: He did not hear from Abu al-Darda, and I do not think he heard from any of the Companions of the Prophet, peace and blessings be upon him, because he does not say in anything of that 'I heard', and he is Thiqah (Trustworthy).