Celtics Rumors: SIGN LaMarcus Aldridge, DeMarcus Cousins, Blake Griffin To Be Backup Center?

The Boston Celtics have brought in Danilo Gallinari and Malcolm Brodgon during NBA free agency but still need a backup center. Robert Williams III is currently the only center on the roster after trading Daniel Theis to the Indiana Pacers. Celtics Today host Will Scott lists 5 potential targets for the Celtics including LaMarcus Aldridge, DeMarcus Cousins, Moses Brown, Blake Griffin, and Hassan Whiteside. Out of all of these players, who do you think the Celtics should sign?