League sources said that if Boston makes a deal, it will likely be a minor move to fortify its bench. The team entered Tuesday tied for the fifth-best record in the NBA and it has the second-best point differential, despite the fact that its core five players — Kemba Walker, Gordon Hayward, Jayson Tatum, Jaylen Brown, and Marcus Smart — have combined to miss 45 games. Ainge likes the team’s roster when it is whole.
League sources said that if Boston …
