LINCOLN, NE – OCTOBER 25: A flag bearer for the Nebraska Cornhuskers waves a flag after the first score during their game against the Rutgers Scarlet Knights at Memorial Stadium on October 25, 2014 in Lincoln, Nebraska. Nebraska defeated Rutgers 42-24. (Photo by Eric Francis/Getty Images)Mike Cavanaugh, Nebraska’s offensive line coach who came to Lincoln with former Oregon State coach Mike Riley, knows what he wants to see in his current-and-future Husker players. He, obviously, wants players with talent and ability. But he wants to see something else, too. Cavanaugh wants his offensive linemen to be “tough a**holes.” Mike Cavanaugh on building his offensive line: “We are going to get the five best guys that are tough a** holes.” #Huskers— Sean Callahan (@Sean_Callahan) March 19, 2015That has to be music to Nebraska fans’ ears, who are used to watching a tough-as-nails offensive line dominate the line of scrimmage. Nebraska opens its 2015 season Sept. 5 against BYU.