University of Oklahoma offensive tackle Phil Loadholt has an official visit today with the Oakland Raiders, according to a league source. The All-Big 12 lineman is one of the biggest linemen in the draft at 6'8,” 332 pounds. A projected second-round draft pick, Loadholt has 5.34 speed in the 40-yard dash. His other workout numbers include an 8-9 broad jump, a 29-inch vertical leap and bench pressing 225 pounds 26 times. Loadholt transferred to Oklahoma from Garden City Community College in Kansas, where he was a two-time All-American selection. As a junior against Texas A&M, he registered 15 knockdowns.