Late in the first quarter of Baylor's 41-12 win over Oklahoma on Thursday night, Sooners wide receiver Sterling Shepard was knocked out of the game on a hit by Baylor cornerback K.J. Morton.
Shepard appeared to catch the pass from Blake Bell before Morton's hit.
The pass was ruled incomplete.
Shepard stayed on the ground for several minutes and a cart was brought onto the field before Shepard was able to walk off the field with assistance. He did not return.
The sophomore has had head injuries in the past, suffering a pair of concussions during his sophomore season at Heritage Hall. Shepard missed two games after his second concussion.
Morton was flagged for targeting and Baylor was called for two unsportsmanlike conduct penalties on the play.
Morton's targeting ejection was overturned after review showed that it was Morton's shoulder that made contact with Shepard's head.
Shepard wasn't the only injured Sooner.
Jordan Evans, Keith Ford, Aaron Colvin and Julian Wilson all left with injuries as well.
“It's not good,” Sooners coach Bob Stoops said. “We'll find out. All the guys that went off the field were hurt. We'll see how that ends up.”
The Sooners certainly felt the loss of Trey Millard, who tore an anterior cruciate ligament in his knee against Texas Tech and was lost for the season.
Millard joined the rest of the captains for the pregame coin toss but during the game, the Sooners had plenty of spots when Millard could've made a difference.
“Some things you can't do without 33 out there,” Sooners center Gabe Ikard said. “I don't know if he would've made that big, 20-whatever point difference but we obviously missed him on special teams and on offense, but that's no excuse for how bad we got beat tonight.”
After an extra-point try in the fourth quarter that sent Oklahoma to the 41-12 deficit, sophomore defensive end Charles Tapper threw a punch at a Baylor player and was penalized and ejected.
Chuka Ndulue led Tapper off the field and to the Sooners bench, where he put a towel over his head and ducked his head down between his legs. Gabe Lynn tried to console Tapper.
The ejection was the culmination of an already chippy game.
About 30 minutes before the game began, a group of Sooners players took offense when Baylor running back Lache Seastrunk started waving his arms to pump up the crowd near midfield where OU's players were warming up.
A small shoving match broke out, which was eventually broken up by officials and coaches from both teams.
Moments later, another shoving match broke out on the opposite side of the field with Sooners linebacker Eric Striker in the middle.
About five minutes into the second half, another small skirmish broke out after an OU punt.
Despite pre-game reports linebacker Frank Shannon would not play after suffering an injury early in the Sooners last game, a win over Texas Tech, Shannon warmed up with the first unit and played much of the game.
Shannon was solid, too. He led the Sooners in tackles with 15 — 12 solo — including two for a loss.
Shannon's backup, freshman Jordan Evans, was injured on a kickoff return just before the half.
Evans, who played most of the Texas Tech game after Shannon's departure, was helped off the field before being carted off during halftime.
Since Stoops' first season, no team in the country has more safeties than Oklahoma's 19. The Sooners have safeties in two of their last three games. … Dominique Alexander sacked Bryce Petty to force the safety. It was Alexander's first career sack. … Quentin Hayes made his first career sack on the game's opening drive and registered a career-high 10 tackles.