Luol Deng makes joining the Miami Heat official Tuesday afternoon by sharing a photo via Instagram. Deng writes: "It's official. I'm really looking forward to this new chapter with a special organization. I'm excited to have an opportunity to play here and contribute to the culture of success. Thank you to all the fans that have supported me and the new ones welcoming me to Miami." Heat Nation have welcomed the newest acquisition with open arms and the signing marks yet another important signing for Pat Riley. Image via Luol Deng's Instagram.