It was conveyed to him that the Messenger of Allah (ﷺ) prayed two rak'ahs, and Dhul-Shimalain said something similar to him. (One of the narrators Ibn Shihab said: "Sa'eed bin Al-Musayyab informed me of this hadith from Abu Hurairah." He said: "And Abu Salamah bin 'Abdur Rahman, Abu Bakr bin 'Abdur Rahman, abu Bakr bin 'Abdur Rahman bin Al-Harith and 'Ubaidullah bin 'Abdullah informed me."
Sunan an-Nasa'i Book 13, Hadith 53