Al-Zuhri said: "Sayyiduna Abu Ubaydah bin al-Jarrah (may Allah be pleased with him) died, and he appointed his cousin Sayyiduna Iyad bin Ghanm al-Fihri (may Allah be pleased with him) as his successor."
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 15076