Report: Celtics set to re-sign Ron Harper Jr. to a three-year, $9 million deal

The Boston Celtics are reportedly preparing to re-sign Ron Harper Jr. to a three-year contract worth $9 million, a move that would keep the wing in place as Boston builds depth around its core. According to Yahoo Sports, Harper’s first act of the season began on an Exhibit 10-type training-camp agreement, then shifted as he earned minutes and trust well into Boston’s schedule.

Harper’s timeline is notable because it reflects a common Celtics organizational template, find usable talent on the margins and turn performance into roster security. The report says Harper started last season on a two-way arrangement after the team converted his training-camp deal, then continued to grow his role as the year progressed. The All-Star break becomes the dividing line in the account, with Harper increasingly described as a regular part of the team’s rotation after that point.

By April, the report adds, Boston further upgraded his contract status to a standard NBA deal. That progression matters because it indicates the Celtics were willing to carry Harper beyond the flexible end of the roster process and into the late-season period when playoff readiness and rotation stability become more important. For Harper, it changes the nature of his employment from a fringe evaluation role to a more secure roster expectation.

The reported contract also arrives as the Celtics look to balance experience with continuity across their front-line and wing group. While the Celtics remain anchored by established contributors, players like Harper can shape game plans in smaller ways, covering multiple positions and giving the coaching staff options in lineups. A multi-year deal, even one that is modest in total value, can help Boston plan development minutes and rotation patterns earlier in the next cycle rather than reassessing the roster on short notice.

For Harper, the reported three-year term represents a reward for a late-blooming season arc. Yahoo’s account frames him as a “Boston success story” from last season, which is consistent with the pattern of turning camp opportunity into postseason-relevant trust. It is also a reminder of how non-guaranteed or developmental arrangements can function as tryouts, with the practical goal of earning a full roster spot if performance aligns.

Still, this report should be treated as preliminary until an official Celtics transaction notice or league contract filing is confirmed. The NBA offseason is full of early reporting that later changes for procedural reasons, so the key next step for fans will be official verification of terms, dates, and any roster classifications tied to the agreement.