0
Berachot 16b-17a lists a number of prayers that various amoraim recited at the end of Amidah.
Common practice (at least in the Ashkenazi and Edot Mitzrach siddurim that I've seen) seems to be to recite (a text based on) the prayer of Mar son of Ravina (elokai netzor).
Are there sources that dis...