WALTHAM, Mass. -- While Boston Celtics?point guard Kyrie Irving has gone out of his way to downplay his impending return to Cleveland on opening night to face his former team, he's eager to gush about his new home and how Boston has thus far exceeded his expectations. Irving, who was traded to Boston this summer in a deal that sent Isaiah Thomas, Jae Crowder, Ante Zizic?and draft picks to the Cavaliers, has acknowledged the hype surrounding his return to Cleveland, but he has often dismissed questions about it by noting that his sole focus is on playing well with his new team. Amid all the questions about Cleveland in recent days, Irving told ESPN that his first seven weeks in Boston have given him new energy. "It's been a lot more than I expected because, even though you hear so much about the Boston Celtics, you can only really truly understand if you're blessed enough to throw on a Boston jersey and be enriched in the culture," said...