Kenneth Gainwell just delivered the kind of breakout moment Steelers Nation has been waiting for — and it came on one of the wildest plays Pittsburgh has run all season. The young running back ripped off a jaw-dropping 55-yard burst on a trick-play twist of the “tush push,” exploding around the right edge so cleanly that even he thought he’d scored.
Steelers running back Kenneth Gainwell is quickly becoming one of the most intriguing emerging stars on Pittsburgh’s roster — and his electric performance against the Chicago Bears may be the clearest sign yet that his role is not only expanding, but evolving. In a game where the offense needed a spark, Gainwell delivered one of…