Musannaf Ibn Abi Shayba 36:231

'Abd al-Rahim ibn Sulayman narrated to us, from Zakariyya, from al-Sha'bi, who said: Hamza ibn 'Abd al-Muttalib was killed on the day of Uhud. And Hanzala ibn al-Rahib, whom the angels purified, was killed on the day of Uhud.