Musnad Abu Ya'la al-Mawsili 6:138

Abu Khaythama narrated to us, Abd al-Rahman narrated to us, Sufyan narrated to us, from al-Miqdam ibn Shurayh, from his father, from Sa’d: "And do not drive away those who call upon their Lord morning and evening" (Al-An'am: 52). He said: It was revealed regarding six people, and I and Ibn Mas'ud were among them. The polytheists had said to him [the Prophet], "Will you bring these people near?"