I read where one scout called Brett Wallace 'a good athlete in a bad body'.
Here's what a couple of other scouts have said about Brett Wallace:
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Keith Law:
"Wallace was the best pure hitter in this year’s draft, but fell to the Cardinals due to questions about his ultimate position. He’s playing third base right now, and the Cardinals intend to keep him there until he plays himself off it; he has plenty of arm and is fine on balls in front of him, but lacks lateral range … severely. Still, his bat is so special that if he can improve to just a win below average at third, he’ll be a star. He makes hitting look easy — he hits lefties (.387/.479/.484 in 62 at bats last year) and righties, all pitches, all areas of the zone, whatever’s thrown at him — and has pull power to right and doubles power the other way. Sure, his body type is unusual for a pro baseball player — he has enormous thighs, but it’s muscle, not fat, and emphasizing that only detracts attention from what really matters: Brett Wallace will hit."
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Jim Callis, Baseball America
"I give Brett Wallace next to no chance of playing anywhere but first base, and that was a problem for the Cardinals. He was less valuable to them than he is to the A’s, who need a first baseman and can put him at DH.
I think he’d have to be more than just decent, because no one I’ve talked to really think he’s going to be a pro third baseman. The bigger key for Wallace, who’s going to be a first baseman, is power. No one questions his pure hitting ability, but they’d like to see more pop."
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http://mopupduty.com/index.php/prospect-porn/
http://cubs.scout.com/a.z?s=260&p=2&c=929362