No, Nelson cannot play tackle. But I do believe that Clark can fill in. We've tried him at RT and it didn't work out, but I believe he is more naturally suited to LT and he's looked better on that side in the limited time he's been needed there.
For now I'm not worried about him.
Besides, even though Haeg and Clark never looked all that great (not bad, just not great) in their 1st and 2nd years, both are veterans now and might have actually learned a lot behind the scenes and we just haven't had an opportunity to see it because we haven't needed to call on them in the games.
I remain optimistic about both of them.
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