The New York Knicks finished their sweep of the Sixers on Sunday, ensuring that the Sixers' quarter-century drought of conference finals appearances continued. They'll now head into the offseason aiming to change that next year. Unfortunately, the Sixers aren't going to have much financial flexibility. Unless they trade at least one of Joel Embiid, Tyrese Maxey or Paul George, they're going to have three max contracts on their books through 2027-28. (That assumes, of course, that George picks up his $67.3 million player option ahead of his age-37 season.) And it doesn't sound like they'll be able to generate much trade interest in Embiid or George given their age, injury history and remaining length of their respective contracts. Brian Windhorst on Joel Embiid questioning his future in Philly: “He has 3 years $192M left on his contract…which will begin next season. That is why I can promise him he will definitely be back.…