Which Washington running back won Super Bowl XVII MVP?

Which Buccaneers quarterback won Super Bowl XXXVII? Which Giants quarterback won Super Bowl XXV? Which Giants quarterback won Super Bowl XXI and its MVP award? Which Washington quarterback won Super Bowl XXVI and its MVP award? Which Raiders running back won Super Bowl XVIII MVP? Which Raiders quarterback won Super Bowl XV MVP? Which Steelers receiver won Super Bowl X MVP with acrobatic catches? Which Steelers receiver won Super Bowl XL MVP?