Steven M. Sipple: Armstrong lives on edge rather nicely

LINCOLN, NEB. - 11/7/2015 - Nebraska fquarterback Tommy Armstrong scrambles for a fourth quarter touchdown against Michigan State during fourth quarter action Saturday, Nov. 7, 2015 at Memorial Stadium. ERIC GREGORY/Lincoln Journal StarPredictions: Nebraska vs. RutgersNebraska vs. Rutgers: Keys to a winEvery so often it smacks you like a jackhammer — the precarious nature of sports.

Think about it as it applies to Nebraska quarterback Tommy Armstrong and the Huskers' 39-38 comeback win against then-No. 7 Michigan State.

Think about the current conversation we're having about Armstrong versus the unpleasant discussion we easily could've been having. We're talking this week about his toughness,…