Bin al-Akwa said, "I saw the Messenger of Allah ﷺ pray, and he gave the salam only once."
حدثنا محمد بن الحارث المصري حدثنا يحيى بن راشد عن يزيد مولى سلمة
بن الأكوع قال رأيت رسول الله ﷺ صلى فسلم مرة واحدة
No references are available.
[Its chain of transmission is daif]. Busiri said, "This chain is daif due to the weakness of Yahya bin Rashid, meaning Mazini, Bara."