Trade down is the easy answer, but what if there's nobody to trade with? In that case, I pick Vacarro. Not a player I love and I'd hate to burn a 1st on a safety with so many I like in the 2nd, but he's BPA by far.
edit: I didn't notice Werner wasn't on the list. I would take him over...
I heard the same about DeCastro last year. As much as I want to see a legit OG added to the line, I'm not giving up picks to get one when there are players at equally important position sitting at 18.