What happened: The Boston Celtics agreed to a four-year, $13.7 million pact with the 26-year-old. The first two seasons of the arrangement are fully guaranteed.

Why it matters: The front office retains a rotation piece who established himself during the final months of the 2025-26 campaign. Management previously declined a $2.6 million team option on the forward to clear cap space for this longer structure.

What to watch: Harper will compete for minutes in the wing rotation heading into the 2026-27 season.