High Quality Content by WIKIPEDIA articles! Mark Richard Vlasic (born October 25, 1963) is a former American football quarterback who played in the National Football League (NFL) for six seasons. During this time, he played for the San Diego Chargers, Kansas City Chiefs and Tampa Bay Buccaneers. Over the course of his career, he played in 15 games, completed 75 of 142 passes for 762 yards, threw four touchdowns and five interceptions, and finished his career with a passer rating of 63.2.