The abundance of offensive linemen that have been added to the New York Giants roster through free agency, the draft, and the undrafted free agent pool makes it really difficult for any young offensive lineman to make the roster. Competition will be higher than ever before, but, like all good teams, there is still room to add pieces for development later. Eastern Michigan's 6-foot-9 offensive tackle, Dodji Dahoue, is a perfect candidate to be cultivated on the practice squad. Let's examine a few of the reasons why. The physical prototype Dahoue is 6-foot-9 and 310 pounds, and that's where it starts. Those types of measurables for an offensive tackle put him in the 1% of the 1% playing the position. When you're starting from there, it makes a big difference in what your upside could be if you figure it out. When you get to the professional ranks, teams often identify athletes with rare physical dimensions as projects with traits.…