The Boston Celtics have no shortage of possible sweeteners to encourage the Cleveland Cavaliers to ensure last week's blockbuster swap of All-Star point guards remains intact. That doesn't mean Danny Ainge should part with any of them. Nearly a full week since the Celtics and Cavaliers agreed to the jaw-dropping trade that will send Kyrie Irving to Boston, we're still waiting for both sides to give an all-clear. The Cavaliers, sources told ESPN's Adrian Wojnarowski, desire an additional asset after some concerns about the status of Isaiah Thomas' hip injury following Friday's post-trade physical. The Celtics, having already paid a steep price for Irving, are almost certainly uninterested in adding to a package that included Jae Crowder, rookie center Ante Zizic and the Brooklyn Nets' 2018 unprotected first-round pick. Sure, it would be easy for Ainge, Boston's president of basketball operations, to toss in a...