Ibn Shihab said that among the Muslims who were martyred on the Day of Uhud is the name of Sayyiduna Sa'd (may Allah be pleased with him), the freed slave of Sayyiduna Hatib bin Abi Balta'ah (may Allah be pleased with him).
Hadith Referenceالمعجم الكبير للطبراني / باب السين / 5484