Mujahid reported,

He asked Ibn Abbas, "Is there a sajdah in Surah Sad?"Ibn Abbas replied, "Yes." Then he recited, "And We gave him Ishaq and Yaqub" up to His words, "so follow their guidance" [Anam 6:84–90], and then he said, "He is one of them."

Azami 12313

Sahih

عن مجاهد

أنه سأل ابن عباس: أفي (ص) سجدة؟ فقال: نعم، ثم تلا: {ووهبنا له إسحق ويعقوب} إلى قوله {فبهدىهم اقتده} [سورة الأنعام: ٨٤-٩٠] ثم قال: هو منهم.

الأعظمي 12313صحيح
Contents
Reference
Commentary
Ayat
Collection
Jami al-Kamil
Book
Tafsir of the great Quran
Chapter
Virtues of Surah Baqarah
Section
Those are the ones whom Allah has guided, so follow their guidance. Say, "I ask of you no reward for it. It is not but a reminder for the worlds."
Numbering
Jami al-Kamil 12313 (2nd edition)
Azami 12313