Musnad Ahmad 1237:5

Yahya ibn Ishaq narrated to us, he said: Layth ibn Sa’d informed me, from Khayr ibn Nu’aym, from Abdullah, from Abu Tamim al-Jayshani, from Abu Basra al-Ghifari, who said: The Messenger of Allah (peace and blessings of Allah be upon him) led us in prayer, and he mentioned it.