It was narrated from Nafi that: 'Abdullah told him that the Messenger of Allah used to offer the sacrifice at the prayer place.
It was narrated from 'Abdullah bin 'Umar that: the Messenger of Allah offered the sacrifice obn the Day of Sacrifice in Al-Madinah. He said: if he did not offer the Nahr (sacrifice a camel) he would have offered Dhabihah (Sacrificed a sheep) at the prayer place.