Narrated Abdullah ibn Abbas: The Prophet ﷺ forbade that the food of two people who were rivalling on another should be eaten Abu Dawud said: Most of those who narrated it from Jarir did not mentione the name of Ibn Abbas. Harun al-Nahwi mentioned Ibn Abbas in it, and Hammad bin Zaid did not mention Ibn Abbas.
Hadith Referenceسنن ابي داود / كتاب الأطعمة / 3754
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:صحيح, مشكوة المصابيح (3225), أخرجه البيھقي (7/274) وصححه الحاكم (4/128، 129) ورواه ضياء المقدسي في المختارة (11/384 ح 401) وللحديث شواھد