The New York Jets are struggling this season for one reason only -- QB Mark Sanchez, Kimberly Jones writes. [More ...](http://www.nfl.com/news/story/0ap1000000107218/article/new-york-jets-biggest-problem-continues-to-be-mark-sanchez? icampaign=ATL_newsdriver)
Keller was listed as doubtful Friday after injuring his ankle last Sunday in the Jets' 7-6 win over the Arizona Cardinals. He is second on the team with 28 receptions despite missing four games earlier this season with a hamstring injury. Keller, who sat out practice all week, will likely be replaced in the starting lineup by backup Jeff Cumberland, who has 21 catches this season.
Backup quarterback Tim Tebow, recovering from two broken ribs, was expected to be a game-time decision.
Copyright 2012 by The Associated Press