The Chicago Bears entered the offseason this year with a defensive line that was a far cry from the "Monsters of the Midway" of years past, but they did very little to address it from a roster standpoint. Rather, defensive coordinator Dennis Allen has suggested that the secret sauce to fixing the Bears' pass rush starts with him and the other coaches. In other words, the Bears have the personnel to run a fearsome defensive front; they just need to be coached better. Bears fans will have to hope Allen is right because, as things stand now, this position group looks bleak compared to the rest of the NFC North. The trenches are the one area where you don't want to fall behind in the NFL, and while the Bears took the top spot in my NFC North offensive line rankings , I can't say the same for the defensive line. Note: Chicago and Detroit run a 4-3 base defense, while Green Bay and Minnesota run a 3-4 base.…