Feb 21, 2013; Indianapolis, IN, USA; Southern California offensive lineman Khaled Holmes speaks during a press conference during the 2013 NFL Combine at Lucas Oil Stadium. Mandatory Credit: Brian Spurlock-USA TODAY Sports

After sustaining a pectoral injury while lifting in the bench press drill on Friday, former USC center Khaled Holmes was unable to participate in the offensive linemen field and position work outs during Saturday’s installment of the 2013 NFL Scouting Combine.

Pectoral injuries are common, but can be quite devastating to a player’s season. USC defensive end Devon Kennard tore his at the beginning of this past season, and was forced to sit out a year because of it. In regards to Holmes, it has not yet been made clear how severe the pectoral injury is, but it was enough to force him to withdraw from the bench press–one where athletes are tasked with lifting 225 pounds as many times as possible without stopping–after 13 reps.

In addition to Holmes, Rutgers tight end D.C. Jefferson–who only did three reps before stopping–injured himself during the bench press, and may have torn his pectoral muscle, per NFL.com. Kent State offensive guard Brian Winters also strained his pec, sustaining a similar injury to Holmes.

Of the centers, South Carolina’s T.J. Johnson completed the most reps, with 32.

USC’s Holmes is currently ranked 130th overall in CBSSports.com’s NFL Draft rankings and is projected to be selected in the fourth round.

On Sunday, former Trojan Robert Woods will put his skill set on display, as a part of the NFL Combine’s Wide Out, Running Backs and Quarterbacks events. As previously discussed, Matt Barkley will not throw in the Combine while his shoulder continues to heal.

Nov 3, 2012; Los Angeles, CA, USA; Southern California Trojans quarterback Matt Barkley (7) throws a pass against the Oregon Ducks at the Los Angeles Memorial Coliseum. Mandatory Credit: Kirby Lee/Image of Sport-USA TODAY Sports

The televised action of the 2013 NFL Scouting Combine will begin on Saturday Feb. 23, where a select number of the nation’s most collegiate athletes put their skills on the line, hoping to garner more interest from scouts as they gear up for the NFL Draft in April.

A number of Trojans will participate in this weekend’s events, most notably, quarterback Matt Barkley.

He didn’t finish that business he intended to wrap up during his senior year, and a shoulder injury made it so that he ended the season on the sidelines, but he had a very solid year nonetheless. With 12,327 yards and 116 touchdowns in his career at USC, his skills on the gridiron are sure to stand out in this year’s class of quarterbacks.

But we won’t get to see any of those skills this weekend.

Because he is still healing from the shoulder injury he sustained against UCLA, Barkley will not participate in any passing drills in the Combine. No matter though; quarterbacks hardly ever raise their draft stock because of their performance in Combine workouts, and we already know that Barkley does not have elite height, arm strength, or mobility. He will however, participate in USC’s Pro Day in March, and he will throw at that point.

But what he can do–and what he will do masterfully–is impress NFL teams during the interviews.

Barkley has an incredible knowledge of the game, and a proven ability to be a field general. With his high football IQ, strong decision-making skills and leadership qualities, teams looking for a new franchise QB are going to take more than a passing glance at him.

Despite his shortcomings and the debacle that was his senior year, Barkley brings enough to the table to entice a team to nab him early, if only so that they don’t miss out on him by waiting a few picks.

Though Barkley will not throw on Sunday, Feb. 23, the rest of the quarterbacks in this draft class are sure to put on a show. Tune into the NFL Network, or catch all the action streaming online at NFL.com/Combine.