Mike Tomlin is going from the glare of an NFL sideline to the glare of television lights. The former Pittsburgh Steelers coach will join NBC’s “Sunday Night Football” coverage as a pregame analyst, two people briefed on the move told The Associated Press on Tuesday. The people spoke on condition of anonymity because NBC has not announced the move. The Athletic was the first to report on Tomlin. Tomlin stepped down in January after 19 seasons as Steelers coach and was the most sought after free