Bears' Jared Allen sidelined with pneumonia

Bears' defensive end Jared Allen won't play Sunday against the Packers due to pneumonia, reports Jay Glazer of FOX Sports.

Bears defensive end Jared Allen won't play Sunday against the Packers due to pneumonia, reports Jay Glazer of FOX Sports, snapping Allen's streak of 113 straight starts.

Jared Allen is out today bc pneumonia. Weight dropped all the way to 237. Had another chest xray this AM. Still wanted to play

— Jay Glazer (@JayGlazer) September 28, 2014

The illness has caused Allen to drop 18 pounds in the last week, Glazer said, and the Bears deactivated him early Sunday after he underwent X-rays on his chest.

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Allen, a five-time Pro Bowler, signed a four-year, $32 million deal with Chicago in March. In his first season with the team, he has racked up six tackles and one forced fumble.

-- Alex Suskind