Giannis Antetokounmpo wasn't the ... sported a customized Bucks jersey under his leather jacket as he threw out T-shirts, controlled the spinning T-shirt cannon and shot out brats from the ...

It's Giannis Antetokounmpo's birthday Friday ... and Giannis in a plunging black dress shirt with the sleeves rolled up, tucked into white slacks, and paired with a shiny chain necklace.