Nick Kindler will also continue to relieve left tackle Quinton Spain and right tackle Curtis Feigt.
"I think it's worked very well," Crook said. "I believe there are outside guys and inside guys and I think it's harder to go from center to tackle than it is to go center to guard - you're doing kind of the same things inside. Going from right tackle to left tackle, you're in a different stance, but pretty much everything else is the same.
"I think it's worked because (Kindler and Eger, both seniors) are older. They've played a lot of football. They've worked with different guys and they've worked together enough that they know what to do."
Ideally, Crook would play all seven of his linemen about the same, saying that in an 80-play game, he'd like to let a starter play 55 snaps and rest for 25, which means a backup like Kindler could play 50 snaps and that everyone can get rest and be spry at different parts of the game.
He made changes between series in the season-opener against William & Mary, but made chances within series against Oklahoma. He said it was part necessity and part strategy.
"We got into six-, seven-play drives and I shot them in there in the middle of the drive to keep guys fresh," he said. "I think that's a little different than most places, but it was a lot more humid there than what we're used to. I usually don't do it in the middle of the series, but I felt like that added to their confusion some, too."
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HOLGORSEN PROVIDED a partial solution to running back Dreamius Smith's mysterious numbers against Oklahoma. The junior college transfer had a memorable 75-yard touchdown, but finished with three carries for 77 yards.
Yet Holgorsen said Smith's blocking could have been better. Smith was penalized for a chop block on the game's first series, had trouble in space blocking for a run or and a pass play and also let a defender get by who sacked quarterback Paul Millard in the second quarter to force a turnover.
"If Dreamius gets out there and he whiffs three times like he did, he's coming out of the game, and he knows that," Holgorsen said. "His one run was spectacular, but you can't turn around and miss a block and get the quarterback hit and have a turnover. You have to do the little things, and blocking is more important than running people over."
Running backs coach JaJuan Seider said Smith cramped up in the third quarter. He and Holgorsen both said Smith is playing well and that his running and blocking are improving and will continue to progress the more he plays.
Smith is aware of the challenge.
"I missed a kick block that caused a turnover, and I take all the responsibility for that," he said. "Blocking is an area I am working to improve on. Once my blocking improves, the more carries I can get, it sounds like. It is a strong part of the game. Everyone needs to be able to block well and that is a part I am working on day in and day out in practice and during individual workouts."
Contact sportswriter Mike Casazza at mi...@dailymail.com or 304-319-1142. His blog is at blogs.dailymail.com/wvu.