Dustin Keller carries the ball past the Buffalo Bills' Bryan...

Dustin Keller carries the ball past the Buffalo Bills' Bryan Scott after making a reception at MetLife Stadium. (Sept. 9, 2012) Credit: Jim McIsaac

Rex Ryan's uncertainty over Dustin Keller's injury status is alarming, considering the Jets have now lost their top receiver, Santonio Holmes, for the season.

The Jets coach said Wednesday that he doesn't know if the tight end -- who already has missed three games due to a hamstring injury -- will face the Houston Texans (4-0).

Ryan added that Keller will not practice today, along with rookie wideout Stephen Hill (who also has a hamstring injury).

The depth at receiving corps was an obvious issue during the offseason -- well before a plethora of "soft-tissue" injuries rocked the group.

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