Nike dubbed April 13 as #MambaDay and rallied up all of its athletes to pay tribute to Kobe Bryant, who played his last ever game in the NBA yesterday. Several pros across all sports from golfer Rory McIlroy to baseball player Mike Trout took to social media to show off custom black and gold footwear embroidered with the date 4.13.16. Here's a roundup of how the Nike roster honored the Black Mamba.