Finished the spring No. 1 at one of the tackle spots, but can expect renewed challenges when practice resumes ... Has shown steady progress while at Tech ... Doesn't have a lot of experience, but is a tough competitor ... Is versatile enough to play either tackle position ... Has added some much-needed bulk ... Still moves well ... Is working to get off blocks better and make more plays ... Joined the team as a walk-on and earned a scholarship ... Holds Tech's position record for a defensive tackle in the push jerk with a lift of 370 pounds ... Should be in the thick of the battle for playing time this fall ... 2001: Turned in a 360-pound bench press, a 515-pound squat and a 341-pound power clean in preseason strength and conditioning testing ... Played in six games, recording 11 total tackles ... Had two tackles for loss and half a sack on the year ... Also registered two quarterback hurries ... Saw action on a season-high 25 plays in the opener against Connecticut ... Recorded one solo stop, three assists and a QB hurry in that game ... Finished with two solo stops on 17 plays against Western Michigan ... Had a TFL, an assist and shared a sack at Rutgers ... Saw brief action on defense against UCF ... Had three solo tackles on 10 snaps at West Virginia ... Recorded four solo stops and two sacks in a jayvee game against Hargrave Military Academy ... Played 11 defensive snaps against Temple, recording an assist and a QB hurry ... His 4.34-second clocking in the NFL shuttle run tied for the best among Tech's tackles during spring athletic performance testing ... Was in on three tackles during one spring scrimmage ... Posted two tackles and a sack during the annual Maroon-White game ... 2000: Played on the scout team and saw action in Tech's two jayvee games ... Saw his only varsity action against Akron in the 2000 season opener ... Played seven defensive downs in that game ... Was in on a pair of tackles during Tech's first spring scrimmage ... Had a tackle for loss in another scrimmage ... Posted two sacks and five tackles in the Maroon-White game ... 1999: Worked at defensive tackle while taking a redshirt year ... Improved in six of seven categories during winter workouts ... Contributed four tackles in one spring scrimmage, including two quarterback sacks ... Registered three tackles in another scrimmage and posted a sack in the Maroon-White game ... High School: Played linebacker and tight end for Coach John Bowles at Kempsville High ... Lettered four seasons, earning all-district and all-region honors at both positions as a senior ... Named all-area as a linebacker ... Helped the team to an 8-2 record and a district title as a sophomore in 1996 ... Posted 116 tackles his senior season, including 19 behind the line of scrimmage ... Contributed eight quarterback sacks and three fumble recoveries ... Registered 17 tackles and caught two passes for 49 yards in a game against Ocean Lakes in '98 ... Collected 98 tackles his junior year, 12 for losses ... Finished with 314 career tackles and 20 pass receptions ... Personal: John Mark Costen ... Born 3/13/81 in Norfolk, VA ... Son of Nelson and Leslie Costen ... Studying residential property management.