By Rohan Nadkarni The Heat guards opens up about his obsession with coffee. View the original article to see embedded media. When Sports Illustrated caught up with Jimmy Butler in the wake of his first appearance in the NBA Finals in 2020, his coffee obsession was still more of a Bubble quirk than legitimate business. Since then, Butler has actually started selling his own beans (and merch) under his Big Face Coffee label. What started as a way to price gouge a captive (and wealthy) clientele has turned into one of Butler’s many off-court interests. In mid-March, the six-time All-Star even set…