We know nothing.

From: " Nobody's seen this except once in some Rugby players 12 years ago ... docs JUST DON'T KNOW ... His rib could slice his aorta open and he would exanguinate on the field in a matter of moments ..."

To: "Yup, could be good to go in 2 weeks - no problem!".

"The feeling among the medical staff on the Steelers is that they are hopeful BUT NOT OPTIMISTIC he plays against the Ravens on Sunday" - just heard it now on ESPN from Adam Schefter.