The hiring of Mike Stoops was supposed to be the tonic to prevent defensive meltdowns. But the last three games have seen the Sooners' D shredded and raised concerns about the future.
OU could do little to stop West Virginia's running game, but still won. To have hopes of beating Oklahoma State and its two-headed rushing attack, the Sooners will have to find some quick fixes.
In a matter of weeks, Oklahoma's secondary has gone from question mark to unquestioned strength in one of the nation's top defenses.