Having already shared his opinions about the Boston Celtics trading Jrue Holiday to the Portland Trail Blazers for Anfernee Simons, Celtics legend Paul Pierce isn’t ready to see his former team make another move he views as ill-advised.

NBA free agency is set to open on Monday, as players and teams can agree to deals starting at 6 p.m. A few major names have already re-signed with their incumbent teams — most notably LeBron James opting into the final year of his contract for the first time in his career — before the floodgates open.