The Celtics picked up a former national college player of the year in Luka Garza. Here's a few things to know about him.

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.