Full disclosure: My knee-jerk reaction when the Bears drafted Stanford tight end Sam Roush with the 69th pick was, "REALLY? They're drafting their THIRD tight end in the THIRD round?" I liked the player, loved the value, but questioned the need to add another TE. All in all, the grade came out to a B- . But where he'll be in one year, two years, that's the lens through which Roush should be viewed. Stanford TE Sam Roush runs after a catch during the third quarter at Stanford Stadium. Darren Yamashita-Imagn Images | Darren Yamashita-Imagn Images Bears can bet big on Sam Roush's upside as a blocker Then I had some time to mull it over, and I honestly see the vision. Not only does Bears head coach Ben Johnson deserve the benefit of the doubt after every single one of their offensive draft picks in his first draft at the helm outplayed their draft position last season, but they also landed a player whose game should seamlessly translate to the pros . I think they learned from their mistakes last season.…