The Celtics lost one of their key reserves in free agency as Luke Kornet is headed to the Spurs. Kornet agreed to a four-year, $41 million deal with San Antonio, a source confirmed to MassLive, as the big man got an expected big contract on the open market. ESPN’s Shams Charania was the first to report the deal.

Boston Celtics player Luke Kornet will be headed to the San Antonio Spurs after agreeing to a four-year $41 million contract, reports say.

Free agent center Luka Garza has agreed to a two-year, $5.5 million fully guaranteed deal with the Boston Celtics, sources tell ESPN. The Celtics negotiated the new deal with Garza's representatives Mark Bartelstein and Kieran Piller of @PrioritySports tonight. pic.twitter.com/d5x5HzGYIL