The Goal for UNC's Chris Collins: Wreak Havoc Posted Aug 4, 2022 A quick look at North Carolina's 2022 football roster reveals a new position for the Tar Heels defense. The jack. So what is the jack position's role and purpose? "It's basically an edge rusher," UNC defensive coordinator Gene Chizik told reporters on Wednesday. Chris Collins is expected to be one of UNC's main jacks alongside Virginia transfer Noah Taylor. (Inside Carolina)