The addition of Garza will soften the blow of losing Kornet, but Boston will need to do some work -- potentially a lot -- to shore up their big men.

The Celtics signed not one but two former Timberwolves bigs at the start of free agency to add to the depth of their roster.

The Boston Celtics have reportedly signed free-agent center Luka Garza to a two-year contract worth $5.5 million.