Joining their brethren in other sports, the NASCAR world took to social media upon learning the tragic news of the death of Los Angeles Lakers great Kobe Bryant, killed Sunday morning in a helicopter crash in Calabasas, California, about 30 miles northwest of downtown Los Angeles. Bryant had met a number of NASCAR drivers in his career, including Team Penske's Ryan Blaney and Joey Logano. They were among a number of NASCAR notables who took to social media to mourn Bryant: