مُسْنَدُ أَحْمَدَ
Musnad Ahmad 1987
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated from Ibn "Abbas that the Prophet (ﷺ) ate some meat from the shoulder (of an animal), then he prayed and did not do wudoo’.
Musnad Ahmad 1988Sahih (Darussalam) [ alBukhari (207) and Muslim (354)]