Big downgrade for anything involving scoring the ball + defensive rebounding, and a small downgrade - I'd say very small, some might say not at all - for on-ball defense.
Don't forget shooting. Marcus is not a shooter by any stretch and AB grew into one.
Fair points, though you're leaving out free throw shooting; Marcus was
much better at getting to the line than Avery, and shot grade-A from there (one reason they posted him up so much).
Beyond that is that Smart was also a much better facilitator on offense than Avery. As he is on defense, he makes something happen when he comes in the game, keeps balls alive, makes good reads. His increased responsibility last season resulted in more turnovers - that was a problem; but maybe he just needs to get used to it.
People will be watching his 3-pt. shooting, and rightly so. But look at turnovers and trips to the line also.
Dennis Johnson, anyone?
He's a unique player with a range of strengths who is weak in shooting (both finishing and from the arc... )
I love Avery Bradley, but but I'm convinced that he was the least necessary of the often targeted trio of Crowder/Smart/Bradley. Oh well.