THANK YOU, LINSANITY 🔥 WATCH: Jeremy Lin announced his retirement from professional basketball via Instagram on Saturday night. "It's been the honor of a lifetime to compete against the fiercest competitors under the brightest lights and to challenge what the world thought was possible for someone who looks like me," he wrote. "I've lived out my wildest childhood dreams to play in front of fans all around the world. I will forever be the kid who felt fully alive every time I touched a basketbal