Musnad Ahmad 1101:23

Muhammad ibn Ja‘far narrated to us, Shu‘bah narrated to us, and Hajjaj narrated to us, Shu‘bah informed us, from Mansur, from Ibrahim, from Hammam ibn al-Harith, that a man began to praise ‘Uthman, and he mentioned the like of the meaning of the hadith of Sufyan.