Not all "A's" are created equal.
Over the first month of NBA free agency, which opened on June 30 and has nearly wrapped up in terms of important contributors, I've handed out 17 A grades for quality moves big (Paul George moving from the LA Clippers to the Philadelphia 76ers, the first current All-Star to do so in free agency since 2019) and small (the Clippers signing Nicolas Batum back from Philadelphia using their biannual exception).
Because an A is already full points on a 4.0 scale, I don't award any A+ grades.