He said, "On one of those days when the Messenger of Allah ﷺ was engaged in battle, no one remained with the Messenger of Allah ﷺ except Talha and Saad," according to their account.
قال: لم يبق مع رسول الله ﷺ في بعض تلك الأيام التي قاتل فيهن رسول الله ﷺ غير طلحة وسعد عن حديثهما.
Bukhari narrated it in the Virtues of the Companions (3722, 3723) and Muslim in the Virtues of the Companions (47:2414), both of them from Muhammad bin Abu Bakr Muqaddami, who said, "Mutamir narrated to us, from his father, from Abu Uthman," and he mentioned it.