COACHING Oklahoma will be replacing both coordinators this season, although head coach Brent Venables was always intimately involved in the defense. He will resume defensive playcalling duties with coordinator Zac Alley leaving for the DC role at West Virginia. Former New Mexico State and Utah State defensive coordinator Nate Dreiling and former Clemson defensive coordinator Wes Goodwin will be the inside and outside linebackers coaches, respectively, as new additions. I am usually not a fan of …