Which college was Larry Allen playing for when he entered the NFL?

Which college was Jim Otto playing for when he entered the NFL? What jersey number did Jim Otto wear with the Raiders? What position did Larry Allen primarily play? Larry Allen is best known for playing with which NFL team? What jersey number did Larry Allen wear with the Cowboys? What position did Bruce Matthews primarily play? Bruce Matthews is best known for playing with which NFL team? Which college was Bruce Matthews playing for when he entered the NFL?