NORMAN, Okla. -- The OU football team got to work early on Thursday with the first practice of the day at 9 a.m.
 
After the two-hour workout, the Sooners will return to the rugby fields at 6 p.m. to complete the team's second of four two-a-day sessions.
 
View extensive coverage of the linebacker corps from Thursday morning's practice including photos and video of seniors Lewis Baker (No. 16) and Demarrio Pleasant (51), juniors Mike Reed (10) and Curtis Lofton (40), sophomores Ryan Reynolds (8) and Lamont Robinson (30), redshirt freshman Brandon Crow (48) and freshmen Austin Box (42) and Travis Lewis (28).
 
Friday brings the first break in the preseason schedule.
 
On Saturday, the Sooners welcome fans to their first preseason scrimmage at 11 a.m. at Gaylord Family - Oklahoma Memorial Stadium. Admission to the scrimmage is free. Complete information on the scrimmage is located here.
 
Visit 2007 OU Football Preseason Central for complete official coverage of Oklahoma's preseason preparations.
 

August 9 Practice No. 1 Coverage   August 9 Preseason Practice No. 1 Photo Gallery (94 Photos)   Linebackers Get to Work Early on Thursday Morning   Coach Venables Works the Linebackers   Linebackers Drill on Thursday   Linebackers Drill on Thursday No. 2   Linebackers Drill on Thursday No. 3   2007 OU Football Preseason Central

The OU Athletics Ticket Office announced Wednesday that tickets for the season opener against North Texas on September 1 are sold out. A limited number of single-game tickets remain for the Utah State and Baylor games.
 
Tickets can be purchased online at SoonerSports.com, on the phone at 1-800-456-GoOU (4668) or in person at the ticket windows located in the Asp Avenue Parking Facility immediately west of the stadium.