Mukhtasar Bukhari

And in another narration, one of these two (narrators) is (Sayyiduna Sa’d, may Allah be pleased with him), who was the first to shoot an arrow in the way of Allah, and the other (Sayyiduna Abu Bakrah, may Allah be pleased with him) was the twenty-third person among those who descended from the fortress of Ta’if and came to the Prophet Muhammad (peace and blessings of Allah be upon him).