مُسْنَدُ أَحْمَدَ
Musnad Ahmad 2279
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
Muhammad bin 'Amr bin 'Ata' told us that he heard Ibn ‘Abbas (رضي الله عنه) say: The Prophet (ﷺ) ate a grilled leg or shoulder (of an animal) then he prayed, and he did not do wudoo’ or touch water.
Musnad Ahmad 2286Its isnad is saheeh, Muslim (354-359)]