Nashville Predators are 16-0-2 since their trip to see U2 in Vegas was canceledThe Nashville Predators have not lost in regulation since their planned trip to see U2 play at The Sphere in Las Vegas was canceled. [Ed.: Oops.] Super 16: Improvements needed for playoff contenders | NHL.comRangers, Stars rise in weekly rankings; Panthers, Bruins, Jets fall Buzz: Marner not expected to return for Maple…