To solve this issue, Grousbeck pointed to his faith in the front office to keep Boston’s contending window amid second apron concerns. “We have Brad Stevens, the reigning Executive of The Year, and thank god we do,” Grousbeck said. “He’s the one who really brought us this championship with his brilliant moves –along with many other people — but Brad is at the forefront. He’s looking at this and is going to extend our window and make it work. We’ll find out in June or July what we’re going to do.”