Not far away, in a different pocket of Soldier Field’s underbelly, Bears quarterback Mitch Trubisky found himself in good spirits. After experiencing what may have been the franchise’s biggest win since beating the Seahawks in the 2011 playoffs, Trubisky had every reason to be grinning ear to ear. Thus, as he recapped the game’s only touchdown — his 2-yard pass to reserve offensive lineman Bradley Sowell — Trubisky had free rein to joke around.