Musannaf Ibn Abi Shayba 28:1144

'Abdullah ibn Idris narrated to us, from Muhammad ibn Ishaq, from Yahya ibn 'Abbad ibn 'Abdullah ibn al-Zubayr, from his father, from his grandfather, who said: My father, who nursed me from the Banu Qurrah, informed me, saying: It is as if I am looking at Ja'far on the day of Mu'tah; he dismounted from a sorrel horse of his, then he hamstrung it, then he went forward and fought until he was killed.