It is narrated from Sayyiduna Abdullah bin Umar (may Allah be pleased with them both) that whenever someone died (in the time of) the Messenger of Allah (peace and blessings be upon him), he (peace and blessings be upon him) would say: "Send him ahead to our forerunner, Uthman bin Maz'un (may Allah be pleased with him); what an excellent forerunner he is."
Imam al-Tabarani (may Allah have mercy on him) said: "No one narrated this hadith from Salim except Musa bin Amr bin Qudamah."
Hadith Referenceالمعجم الأوسط / باب الباء / 3293
Hadith Takhrij«أخرجه الطبراني فى «الكبير» برقم: 13160»