Blackshear, 6-6 and 323 pounds, has started 96 games over an NFL career which began with the Seattle Seahawks in 1993 - 62 at right guard and 34 at left guard.
Along the way, the 33-year-old Northeast Louisiana alum forged a 57-game starting streak for the Ravens after he was dealt to Baltimore by Seattle in 1996. Blackshear started all 16 games in four seasons overall (1994, 1997, 1998 and 1999). He was placed on waivers by the Ravens following the 1999 season and subsequently signed with Kansas City as a free agent. Blackshear started 15 games for the Chiefs that season. He was released June 8, 2001, and out of football during the 2001 season.
Blackshear has been assigned jersey number 79.