The Sufficient (Vol 5) · Hadith 372 (#Ḥadīth #9)
Chapter 40 | Gambling and Looting
9- عِدَّةٌ مِنْ أَصْحَابِنَا عَنْ سَهْلِ بْنِ زِيَادٍ عَنِ الْوَشَّاءِ عَنْ أَبِي الْحَسَنِ قَالَ سَمِعْتُهُ يَقُولُ الْمَيْسِرُ هُوَ الْقِمَارُ.
9. A number of our people have narrated from Sahl ibn Ziyad from Al-Washsha” who has said the following: “I once heard abu al-Hassan , saying, ‘Al-Maysir is gambling.’”
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).