Which college was Ezekiel Elliott playing for when he entered the NFL?

Which college was Shaun Alexander playing for when he entered the NFL? What jersey number did Shaun Alexander wear with the Seahawks? What position did Ezekiel Elliott primarily play? Ezekiel Elliott is best known for playing with which NFL team? What jersey number did Ezekiel Elliott wear with the Cowboys? Which college was Jerry Rice playing for when he entered the NFL? What jersey number did Jerry Rice wear with the 49ers? What position did Randy Moss primarily play?