(45) باب بَعْثُ النَّبِيِّ صلى الله عليه وسلم أُسَامَةَ بْنَ زَيْدٍ إِلَى الْحُرَقَاتِ مِنْ جُهَيْنَةَ
Narrated Salama (in another narration):
I fought seven Ghazwat (i.e. battles) along with the Prophet (ﷺ) and also fought in nine battles, fought by armies sent by the Prophet (ﷺ) . Once Abu Bakr was our commander and another time, Usama was (our commander).
Reference: Sahih al-Bukhari 4271
In-book reference: Book 64, Hadith 305
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 5, Book 59, Hadith 569