Photo by Brian Fluharty/Getty Images Derrick White, Boston Celtics The Boston Celtics face a tough test in their opening playoff series against the Orlando Magic . Joe Mazzulla’s team must figure out how to consistently score against the second-best defense in the NBA. In an exclusive interview with DJ Siddiqi of Forbes, Derrick White called on the Celtics to focus on the task at hand. The fan favorite guard noted how everyone on the roster must be focused on beating the Magic. He implored the