Kemba Walker called leaving the Charlotte Hornets as an unrestricted free agent “one of the toughest things that I definitely have had to do in my career.” Walker, 29, agreed to a four-year, $141 million deal with the Boston Celtics and feels he’s now in a position to compete for NBA titles for the first […] The post Kemba Walker: ‘When You Think of the Celtics, You Think of Championships’ appeared first on SLAM.