Musannaf Ibn Abi Shayba 3:1426

Abu Bakr narrated to us, he said: Ibn Fudayl narrated to us, from al-A’mash, from Talha, from ‘Abd al-Rahman ibn ‘Awsaja, from al-Bara’ ibn ‘Azib, who said: The Messenger of Allah (may Allah bless him and grant him peace) said: "Indeed, Allah and His angels send blessings upon the first row."