Which college was Deion Sanders playing for when he entered the NFL?

Which college was Lawrence Taylor playing for when he entered the NFL? What jersey number did Lawrence Taylor wear with the Giants? What position did Reggie White primarily play? Which college was Reggie White playing for when he entered the NFL? What position did Ray Lewis primarily play? Which college was Ray Lewis playing for when he entered the NFL? What jersey number did Ray Lewis wear with the Ravens? What position did J.J. Watt primarily play?