Yeah, he's decent, good for position.
Except that season in Dallas I mentioned, Jamison never shot above 47%. Think about it.
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milkshake&DOK, I think Pierce would rape Jamison. It'd be even worse than Garnett or Rondo over Williams. Allowing Pierce to get into that kind of rhythm would be very dangerous to Cleveland. Plus, I think LBJ wastes lots of energy on Rondo, defending the point of attack is demanding physically and mentally. But essentially what you gain with "LBJ on Rondo" > "Moon on Rondo" is much smaller than what you lose by putting someone else than LeBron on Pierce, IMO.