Which college was Marvin Harrison playing for when he entered the NFL?

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