Luke Kornet is leaving Boston after signing a four-year, $41 million contract with the San Antonio Spurs. according to a league source.

Boston Celtics center Luke Kornet, center, hangs onto a rebound against Utah Jazz forwards Kyle Filipowski, left, and Brice Sensabaugh, right, during the second half of an NBA basketball game, Monday, March 10, 2025, in Boston. (AP Photo/Charles Krupa) AP

According to a league source, Kornet has agreed to a four-year, $41 million in San Antonio. Another Celtics big man, Al Horford, was said to be mulling over offers. The Celtics did add a center in free agent Luka Garza,