​Heat Central: Giannis Antetokounmpo after his workout today in Miami: “I’m so excited. After the call with Pat Riley I got goosebumps. Today after the workout I’m like ‘Coach I’m motivated. I’m excited to be here. I’m excited to put on the jersey. I’m excited to feel pressure. I’m excited to go through tough moments, good moments, all the kind of moments here in Miami.”x.comThis article originally appeared on Hoops Hype: “I’m so excited. After the call with Pat Riley I got …