What position did Shaun Alexander primarily play?

What position did Tiki Barber primarily play? Tiki Barber is best known for playing with which NFL team? Which college was Tiki Barber playing for when he entered the NFL? What jersey number did Tiki Barber wear with the Giants? Shaun Alexander is best known for playing with which NFL team? 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?