Patriots seven-round mock: Depth added at receiver, tackle in the third

In our first mock draft of the season, published last week, we highlighted the fact that the Patriots have left us hints over the years as to the characteristics they're looking for in certain positions. Generally speaking. Big linebackers. Athletic corners. Fast safeties who can tackle. Physical specimens at tight end. In this week's mock we'll stick with players who fit the Patriots mold . . . or at least come close. But instead of making selections that fill immediate needs, we'll focus our picks on positions that could use some help a little further down the line.   It's something the Patriots have done for years — drafting Nate Solder when Matt Light and Sebastian Vollmer were on the roster,