The Sooners led the `Lopes 33-25 at halftime before junior co-captain Whitney Hand raised her voice in the locker room and her teammates responded with a 67-point second half outburst.
"I don't have a voice simply because I am not much of a screamer," a hoarse Hand said post-game. "We just have to realize that we are in the Big 12, we can't be up eight points to Grand Canyon in an exhibition game. It is just not acceptable."
Grand Canyon, a private Christian school in Phoenix, Ariz., is No. 14 in the Division II poll and coached by two with Oklahoma ties, who were well-prepared to take a team inside the atmosphere at the Lloyd Noble Center.
"I got punched in the face the first possession and I thought, `this is going to be a long game,' Hand said. "They worked hard, they crashed hard, but still, there is a standard."
After shooting 33 percent in the first half, the Sooners made 72 percent of their second half shots on the same number of attempts and reached the free throw line 16 times to disrupt any momentum Grand Canyon had built.
"I didn't have to do anything but tell them what to run in the second half because she really took care of everything that was wrong in the first half," OU head coach Sherri Coale said. "She got them focused and ready to compete and I thought our freshmen in the second half were just phenomenal."
Freshmen Sharane Campbell scored 21 and DaShawn Harden added 17 points, often on fast breaks and with dazzling acrobat moves with defenders draped on their arms.
"I really thought DaShawn (Harden) looked like a different kid than she did in the first exhibition game," Coale said. "That's just a little bit of what she's going to be able to do, finally late in the second half there were a few possessions where she really put the ball on the floor and used her first step.
"I thought Sharane (Campbell) was just fantastic going to the rim. She does an unbelievable job of finishing when she's getting fouled and that's an art and one that we have missed."
Sophomore Aaryn Ellenberg scored 21 points and would have been the highlight if not for the rookies' performances. Hand scored 12 and had a game-high nine rebounds. Morgan Hook added 12 in another solid performance from OU's new starting point guard.
Oklahoma begins the regular season Sunday, Nov. 13, hosting Sacramento State at 2 p.m. The game will be televised on COX channel 3 (703 HD) in the Oklahoma City and Tulsa metro areas.