Where is this myth that Stiemsma is a poor rebounder coming from?
Who mentioned it though others have been concerned based on what we've seen in a C's uniform. I'd include myself among those skeptics because of the subjective eye test of his minutes.
In 2009-2010 in 45 games he averaged 9.2 rebounds per 36 minutes (7.4 defensive) and posted a DRB% of 25.1, which is awesome.
You have to remember that the D-League is often a faster paced game and also against lesser competition.
http://www.basketball-reference.com/nbdl/players/o/obryapa01d.html
Patrick O'Bryant was a below average rebounder in the NBA. Yet in the D-League he was an even better rebounder than Stiemsma, putting up better rebounding rate and reb/36 for a slower paced team.
So basically, there is nothing to base this assessment on other than your subjective eye test and a qualitative dismissal of the D-League based on the the 'representative sample' of Patrick O'Brien.
I am sorry, but I don't have a lot of faith in the 'subjective eye test' of anonymous internet bloggers. That's not a reflection on you, Fafnir. It's just not anything I can assign any value to.
And a one player sample of failure to translate between the D-League and the NBA is hardly evidence of a trend. There are zillions of players who failed to translate their skills from the NCAA to the NBA - many drafted in the 1st round. That doesn't mean we dismiss that data.
If a player showed _failure_ to succeed at these lower levels, that would be actual evidence of potential coming failure at the NBA level. Having shown _success_ at the lower levels is of course no guarantee of success at the NBA. But you can't in any way say that success at the lower levels implies failure at the higher level.
So far, at the D-League level, Stiemsma has been a good rebounder. That's all you can say from that.
So far, in a tiny, tiny sample at the NBA level, Stiemsma has also been a good rebounder.
Again - Stiemsma may indeed turn out to be a 'poor rebounder' or whatever in the NBA. And if he does, that would be an additional indictment of the D-League. But as of this moment there is NO evidence that he is NOT a decent rebounder and there is SOME evidence to suggest that he IS a decent rebounder.
That's about all we can say until we can see more of him.