What position did Marvin Harrison primarily play?

What position did Michael Irvin primarily play? Michael Irvin is best known for playing with which NFL team? Which college was Michael Irvin playing for when he entered the NFL? What jersey number did Michael Irvin wear with the Cowboys? Marvin Harrison is best known for playing with which NFL team? Which college was Marvin Harrison playing for when he entered the NFL? What jersey number did Marvin Harrison wear with the Colts? What position did Steve Largent primarily play?