Big 12 Insider John Helsley ranks the league's defensive lines, 1-12:
Three of the starting four are NFL bound; and there's quality depth, too.
The 'Horns lost two good ones in tackles Frank Okam and Derek Lokey, but the ends are back and the replacements are talented.
Quantity and quality: the two-deep returns intact.
Three quality pass rushers are in place, and depth is developing.
A senior trio, led by tackle George Hypolite, provides the strength of an improving Buff defense.
The ends, including Stillwater's Russell Brorsen, are stout, but a mix of veterans and kids must come together inside.
7. Texas Tech.
With three starters back and more intriguing pieces, this might be low.
8. Oklahoma State.
Only veteran Jeray Chatham is back, yet there's optimism built around youth and newcomers.
9. Kansas State.
Ian Campbell's return to end from linebacker offers hope for a unit in transition.
10. Texas A&M.
End Cyril Obiozor is a talent, but there's little to go with him.
Two starters are back, but there's no standout and no depth.
12. Iowa State.
The ends are decent, but the Cyclones are soft inside.