Musannaf Ibn Abi Shaybah

Hazrat Abu Bakr bin Amr bin Utbah Zahri narrates that Hajjaj delayed the Friday prayer. When he led the prayer, Hazrat Abu Juhaifa also prayed with him and then later offered two more rak‘ahs. Then he said, "O Abu Bakr! I make you a witness that this is the Asr prayer."