The collision between cousins Taulupe Faletau and Billy Vunipola could be a highlight of Wales' Six Nations game with England, says hooker Ken Owens.
"They're both world-class number eights who are both at the top of their game at the moment," added Owens.
"He's right on the edge and that's what makes him the player he is in terms of ball-carrying and being a big tackler."
