DENVER, COLORADO - MAY 22: Austin Rivers #25 of the Denver Nuggets puts up a shot against CJ McCollum #3 of the Portland Trail Blazers in the first quarter during Game One of their Western Conference first-round playoff series at Ball Arena on May 22, 2021 in Denver, Colorado. NOTE TO USER: User expressly acknowledges and agrees that, by downloading and or using this photograph, User is consenting to the terms and conditions of the Getty Images License Agreement. (Photo by Matthew Stockman/Getty Images)
The Boston Celtics have very little wiggle room this offseason in terms of cap space.