Answer
Otamendi has participated in four editions of the Copa América, the main international football competition in South America. He made his debut in the tournament in 2011, and has since gone on to represent his country in 2015, 2016, and 2019. Otamendi has played a key role in Argentina's success in the competition, helping them reach the final in 2015 and 2016, and winning the title in 2021.