I definitely would not trade TT this season for a few reasons:
1. He hits right handed and is a solid defender
2. He's still cheap
3. Something about Wiemer has me feeling uneasy. I have never seen a young player hit such a high percentage to the opposite field like this before. He has also benefitted from "lucky" jam hits. (the great place by the STL 2nd baseman not included) He might need a little more time in AAA but I hope I am wrong.