Musannaf Ibn Abi Shayba 36:157

'Abdah narrated to us, from Shu'bah, from al-Hakam, who said: The Messenger of Allah (may Allah bless him and grant him peace) did not kill anyone on the day of Badr by *sabran* (execution while bound/held captive) except 'Uqbah ibn Abi Mu'ayt.