Geno Smith came in to replace Fitzpatrick, but left briefly in the fourth quarter with left shoulder and abdomen issues, Bowles added. Despite being ruled out, Fitzpatrick returned for two plays before Smith finished the game -- the Jets had no other quarterbacks on the active roster. Smith told reporters that he is "pretty confident" that he'll be ready to play next week, but will still undergo further evaluation.
http://www.nfl.com/news/story/0ap3000000570291/article/ryan-fitzpatrick-geno-smith-both-injured-in-jets-loss