It's a great disagreement to have, but I think this kid would be such a great TE. I just think he high-points the ball very well for a big man and has excellent hands. He's also a VERY aggressive blocker, but then again that shows the power he could exhibit at DE (where hands are also very important).
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That said, with this staff, who knows? They are very creative and patient when it comes to finding the perfect position for a player. Also, I think Longo helps these players grow into their natural position instead of trying to develop them into a specific position.
I expect, like you said, it may take some time for this situation to clarify.