Which college was Tiki Barber playing for when he entered the NFL?

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