Survey says... No. Bradley in the playoffs had about a +15 on/off, Bosh had about a +3.
So you are under the impression - because of on/off numbers of both players in one playoff run against different teams in entirely different situations - is indicative that Avery Bradley had a bigger impact on the court than Chris Bosh - in spite of the fact that one player has had two seasons in the NBA and less than one quarter of a competent season....and the other player is a top 20 player in the NBA and has been for years.
Whether Bradley playing had more of an impact on the Celts in the playoffs last year than the impact of whether Bosh playing or not is undeniable. You obviously don't want to accept that because one player has had two seasons in the NBA and less than one quarter of a competent season, but it's true nonetheless. There's a big part of the equation that you're missing, playing Bradley kept (an injured) Ray off the court, and Ray was hurting the Celts.
It's worth pointing out that (small sample size, about 300 minutes) that the Heat are getting outscored when Ray's on the court. This is happening in spite of Ray being a perennial all-star and future HOFer, fwiw.
And that it is complete coincidence that Miami outplayed us thoroughly in the games that Bosh was back fully.
One guy is a legitimate cornerstone of a championship team whose backups were Joel Anthony, Udonis Haslem and Eddy Curry.
The other guy was, at his best, a solid role player and was actually a pretty poor player the majority of his playing time with the Celtics. If Bradley didn't see the court, that just meant more Rondo, Ray, etc. If Bosh didn't see the court, that meant more Anthony/Haslem.
We're going to sit here and seriously pretend that Bradley would've made the difference last year. I just don't get it sometimes.
You don't get it because this isn't fantasy basketball and you just can't assume that the better player will have the bigger impact on the game regardless of the circumstances.
An example of this is Scal in the 09 playoffs. He played his usual self but we would have gotten beat in both series fairly handily without him, because the minutes he played would have gone to Mikki Moore, who was nothing short of disaster. I'd say that, by simply keeping Moore on the bench, Scal had more of an impact on those playoffs than Bosh had for the Heat last year.