In this photo taken Sept. 7, 2019, Oklahoma offensive lineman Creed Humphrey (56) and quarterback Jalen Hurts (1), two of the team's captains, walk onto the field before an NCAA college football game against South Dakota in Norman, Okla. Oklahoma lost four starters from last year's offensive line to the NFL draft, but this year's unit has fueled an attack that leads the nation in total offense. (AP Photo/Sue Ogrocki)
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NORMAN, Okla. (AP) — Oklahoma's rebuilt offensive line is getting its usual results.

Bobby Evans, Cody Ford, Dru Samia and Ben Powers all were drafted into the NFL from last year's team that reached the College Football Playoff. With new faces in place, the fifth-ranked Sooners lead the nation with 709.5 yards per game. Oklahoma (2-0) hopes to keep it rolling Saturday at UCLA (0-2).

Oklahoma coach Lincoln Riley resorted to picking at penalties to find a weakness, but even he acknowledged he was reaching.

"We had some silly penalties that really set us back," Riley said. "But I think it shows you the standard of what we expect there. Not just the standard, but how good we expect this group can be that we can have 70 points and a bunch of yards and still not be happy about the way we played upfront."

Sophomore center Creed Humphrey, a captain, is the only returning starter on the offensive line. The new starters have been right guard Tyrese Robinson, right tackle Adrian Ealy, left tackle/left guard R.J. Proctor, left guard Marquis Hayes and left tackle Erik Swenson.

Hayes, the starting left guard, missed Saturday's game against South Dakota with an undisclosed injury. Swenson started at left tackle and Proctor moved over to left guard. Hayes' status for the UCLA game is uncertain.

Regardless of the combination, the results have been good, especially for a squad with one senior on the two-deep depth chart. Hayes, Humphrey, Robinson and Ealy are sophomores. Proctor, a senior, is a graduate transfer from Virginia.

"There are makings of a good group, and we've had some really good moments up front in the first two games," Riley said. "We have to continue to get more of those as we move forward."

Oklahoma is excelling in both the running and passing games. Jalen Hurts leads the nation in passing efficiency, and the Sooners rank ninth nationally in passing offense. The Sooners rank fifth nationally with 332 yards rushing per game, and second nationally with 8.7 yards per carry.

"I mean, just hard workers," running back Kennedy Brooks said. "Just dogs in there. They just go down in the trenches and work every single day, don't complain about it, just get in work. I'm really proud of them."

In the opener, the Sooners gained 686 yards against Houston — 332 yards passing and 354 yards rushing.

In the win against South Dakota, a school-record 10 Sooners scored touchdowns. Oklahoma gained 733 yards — 423 passing and 310 rushing.

Riley already sees growth.

"We did some really nice things in the run game," Riley said after the South Dakota game. "We were better and a little cleaner in the run game than we were the first week."

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