Dez Bryant (NP) has a hairline fracture in his knee, is "day-to-day" "Week-to-Week" I wouldn't expect to plaqy this week
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Sounds like it is a hairline crack to the TIBIAL PLATEAU which would almost certainly see him miss a few weeks, see below for details...NFL Player history is about 6 weeks for this injury.
[quote=Internet MD]
A hairline crack, or a mild compression of the bone will heal well with a hinged-knee brace (to allow for knee motion during rehabilitation), and a few weeks without putting weight on the affected leg. As long as all of the goals of treatment (normal knee motion, minimal arthritis risk) can be satisfied, a person will be very fortunate to heal without the pain and risk of infection that comes with any surgery.