Milwaukee Bucks forward Giannis Antetokounmpo is the youngest player in the NBA, and Brooklyn Nets forward Paul Pierce is one of the league’s oldest veterans. But youth can easily get befuddled by experience, and Pierce gave Antetokounmpo one of his first “Welcome to the NBA” moments, freezing Antetokounmpo on the perimeter and driving in for the layup. Sick move from Pierce