What jersey number did Curtis Martin wear with the Jets?

What jersey number did Franco Harris wear with the Steelers? What position did Curtis Martin primarily play? Curtis Martin is best known for playing with which NFL team? Which college was Curtis Martin playing for when he entered the NFL? What position did Terrell Davis primarily play? Terrell Davis is best known for playing with which NFL team? Which college was Terrell Davis playing for when he entered the NFL? What jersey number did Terrell Davis wear with the Broncos?