Getty The Atlanta Falcons fear quarterback Michael Penix Jr . suffered a potentially season-ending knee injury during Sunday’s loss to the Carolina Panthers, a setback that could sideline him for the rest of the year and reshape the Seattle Seahawks ’ Week 14 trip to Atlanta. Penix left the game in the second half after taking a hit on a passing play and did not return, with reports indicating he will seek a second opinion on the injured knee before the Falcons make any final decisions about