Abd al-Rahman bin Abi Layla said: In the time of the Messenger of Allah (peace and blessings be upon him), Sayyiduna Sa'd bin Ubayd (may Allah be pleased with him) was known by the name "al-Qari'" (the Reciter).
Hadith Referenceالمعجم الكبير للطبراني / باب السين / 5470