Steelers S Clark out due to altitude (AP)

[ASFN Admin]

Pittsburgh Steelers safety Ryan Clark will not play in Sunday's AFC Wild Card game in Denver due to a sickle-cell trait that makes it dangerous for Clark to play at higher elevations. Coach Mike Tomlin said Tuesday having Clark suit up is not worth the risk. Clark lost his spleen, gall bladder and 30 pounds after playing in Denver in 2007 triggered the condition.

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