There were a lot of troubling statistics for the Steelers in Week 1: 39, 182 and 34:43. That’s the number of rushing attempts, yards and the time of possession for the New York Jets.

Here’s another: 239. That’s how many days the Steelers had over the offseason to fix their much-maligned run defense.

Derrick Henry and the Baltimore Ravens rushed for 299 yards against the Steelers in an AFC wild card game in January, and Sunday’s season opener against the Jets looked frighteningly familiar.

“I don’t think it’s done in one game,” veteran defensive end Cam Heyward said Thursday morning. “We have to answer for that. Guys have to get off blocks. Up front, if we get doubled, we still have to maintain our gaps. Everyone has an assignment. Run defense isn’t just an up-front job. It all works tog

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