Sources say the Cavs didn’t feel confident about their chances of getting a first-round pick for Clarkson in this market, so they took a pair of future seconds — a 2022 from San Antonio and a 2023 from Golden State, sources say. The move puts Cleveland about $5.1 million below the luxury tax threshold, which gives the team more financial flexibility when it comes to other deals. Make no mistake, more are coming between now and the trade deadline on Feb. 6. Players are already bracing for those shakeups.