A few days ago, I received an email from my colleague Andrew Perloff (you may know him better as “McLovin” from The Dan Patrick Show, or as the guy who dressed up as the Kirk Cousins “you like that!” Vine for Halloween) who wanted to know how Mitch Trubisky could be No. 4 on my 2017 draft QB rankings but No. 3 in my most recent mock draft. The explanation can help set the table for the Big Board below.