Leeds youngsters Nick Scruton and Lee Smith have both agreed new contracts with the Super League champions.
England prop Scruton has signed a new three-year deal while full-back Smith has committed to a further four years.
Scruton, 20, has become first-team regular this season while Smith, 18, has scored four tries in five games.
"These long-term deals mean that they will have time to develop over the coming years to become even better players," said coach Tony Smith.