After more than two decades with The Three Stripes — dating back to his breakout summer session at ABCD Camp where he leapt from a last-place 175th ranking, to the No. 1 player in the country and an eventual 1997 NBA lottery pick — “T-Mac” told a crowd that he’s in a “rocky” place with the only brand he’s ever known. “I’ve been with Adidas for 25 years — I think we’re coming to an end,” McGrady transparently said on Thursday at the Hashtag Sports conference in Las Vegas.