Musannaf Ibn Abi Shaybah 34326 — Reports on Sad bin Abi Waqqas

Hashim bin Hashim (may Allah have mercy on him) said that Sa'id bin al-Musayyib (may Allah have mercy on him) said: "Sayyiduna Sa'd bin Abi Waqqas (may Allah be pleased with him) was the fiercest attacker among the Muslims on the day of the Battle of Uhud."