“The Messenger of Allah ﷺ liked the Muhajirun and Ansar to stand closest to him, so that they could learn from him.” (Using translation from Ibn Mājah 977)
«كَانَ رَسُولُ اللهِ ﷺ يُعْجِبُهُ أَنْ يَلِيَهُ الْمُهَاجِرُونَ وَالْأَنْصَارُ فِي الصَّلَاةِ لِيَأْخُذُوا عَنْهُ»