Might Raiders offensive line actually be good?

It may be hard to imagine the Raiders offensive line being competitive after what we witnessed from them last season. But it may not be as fantastical as you might think. 

That's not to take a pie-in-the-sky approach to things. That's certainly not my style. It just might take a little bit of examination and perhaps some benefit of the doubt. If you squint a bit, you might be able to reasonably see it too – could the Raiders offensive line actually…be good this year?