وَعَنِ ابْنِ عُمَرَ قَالَ: لَمَّا قَدِمَ الْمُهَاجِرُونَ الْأَوَّلُونَ الْمَدِينَةَ كَانَ يَؤُمُّهُمْ سَالِمٌ مَوْلَى أَبِي حُذَيْفَةَ وَفِيهِمْ عُمَرُ وَأَبُو سَلَمَةَ بْنُ عَبْدِ الْأسد. رَوَاهُ البُخَارِيّ

When the first Emigrants came to Medina, Salim the client of Abu Hudhaifa acted as their imam, and ‘Umar and Abu Salama b. ‘Abd al-Asad were among their number.

Bukhari transmitted it.