Best and worst of NFL Week 9: Chiefs outlast Dolphins in Germany, Steelers rally

The Pittsburgh Steelers kicked off Week 9 of the NFL season on Thursday night with a comeback win over the Tennessee Titans.

The Kansas City Chiefs and Miami Dolphins played the first-ever regular-season game in Frankfurt, Germany, with the Chiefs jumping out to a 21-point lead and hanging on to win by 7.

Our NFL Nation reporters reacted to all the action, answering lingering questions coming out of each game and picking out who — or what –…