He was a five-time first-team All-Pro and a seven-time Pro Bowl selection, primarily as a special teams player.

[3] After finishing his college football career, and before being drafted into the NFL, he joined the school's rugby team.

[4] Tasker continues to hold the Northwestern Wildcats football career record for kickoff return average (24.3).

[5] Tasker was selected in the ninth round (226th overall) of the 1985 NFL draft by the Houston Oilers where he played for two seasons.

In a 1994 playoff game against the Los Angeles Raiders, he set up the Bills first touchdown with a 67-yard kickoff return.

Tasker stood 5 feet 9 inches (1.75 m) tall and weighed 180 pounds (82 kg); when he joined the Bills, Jim Haslett did not think that he was a player.

[8] Despite his small size, he gained a reputation as one of the league's most feared hitters, forcing numerous fumbles.

[13] On November 22, 2011, Tasker was named one of the semifinalists in balloting for the Pro Football Hall of Fame in Canton, Ohio.

[14][15] On September 28, 2013, his son, Luke Tasker, made his Canadian Football League debut with the Hamilton Tiger-Cats, in a home game against the Calgary Stampeders.

He served as the color commentator and analyst for the Buffalo Bills Radio Network in 2020 alongside John Murphy after Eric Wood opted out of the season due to traveling difficulties associated with the coronavirus pandemic.