وَحَدَّثَنِي عَنْ مَالِكٍ، عَنْ دَاوُدَ بْنِ الْحُصَيْنِ، أَنَّهُ سَمِعَ سَعِيدَ بْنَ الْمُسَيَّبِ، يَقُولُ مِنْ مَيْسِرِ أَهْلِ الْجَاهِلِيَّةِ بَيْعُ الْحَيَوَانِ بِاللَّحْمِ بِالشَّاةِ وَالشَّاتَيْنِ ‏.‏

Yahya related to me from Malik from Da'ud ibn al-Husayn that heheard Said ibn alMusayyab say, "Part of the gambling of the people ofJahiliya was bartering live animals for slaughtered meat, for instanceone live sheep for two slaughtered sheep." Translation Not Available

Book Ref: Muwatta Imam Malik Book 31 Hadith 1357
Web Ref:  Muwatta Imam Malik Book 31 Hadith 65