ANALYSIS: It might come as a surprise that four wild-card teams have survived three road games to reach the Super Bowl. However, all were storied franchises — the New England Patriots, Pittsburgh Steelers, New York Giants and Green Bay Packers — and most were led by accomplished coaches. Not that Tennessee and coach Mike Vrabel are slouches, but it’s a big ask for the Titans to maintain their lofty level. Since K.C. lost to the Titans 35-32 in QB Patrick Mahomes’ return from an injury hiatus, the Chiefs are 6-0-1 ATS. The visitors have all of 154 net passing yards in the playoffs in a one-dimensional offense featuring incomparable RB Derrick Henry. That cannot continue indefinitely. QB Ryan Tannehill must play a bigger role for another upset, and here is doubting the offense he operates can keep up with the Chiefs’ scoring machine.