NFC North

Brad Biggs: Matt Nagy says the Chicago Bears have put 2019 in the past. That's fine, but they better have learned from it to return the dangerous Tarik Cohen to form.

The Chicago Bears offense was so completely broken last season, one can point to any handful of statistics to reinforce the point.Outside of quarterback Mitch Trubisky, perhaps no player’s struggles were more representative of the team’s troubles than those of running back Tarik Cohen.He went from being a dynamic, open-field performer to a dead end on offense. Cohen’s ineffectiveness wasn’t the result of declining skills but a function of poor opportunities, a shortage of skill around him and questionable usage at times.But Cohen can return to being a matchup problem for opposing defenses like…