It is narrated from Sayyiduna Abu al-Yasar bin Amr al-Ansari (may Allah be pleased with him) that he said: "I handed the banner to Sayyiduna Abdullah bin Rawahah (may Allah be pleased with him), and he was martyred; then it was handed to Sayyiduna Thabit bin Aqram al-Ansari (may Allah be pleased with him), who handed the banner to Sayyiduna Khalid bin al-Walid (may Allah be pleased with him). He asked: 'Why have you given it to me?' He replied: 'You know the arts of fighting better than I do.'"
Imam al-Tabarani (may Allah have mercy on him) said: "No one narrated this hadith from Sufyan bin Uyaynah (may Allah have mercy on him) except Abu Ishaq (may Allah have mercy on him)."
Hadith Referenceالمعجم الأوسط / باب الألف / 1645
Hadith Gradingمحدثین:إسناده ضعيف لضعف أبي حمزة الثمالي
Hadith Takhrij«قال الهيثمي: فيه أبو حمزة الثمالي وهو ضعيف «مجمع الزوائد ومنبع الفوائد، ج 6، ص 157»»