Rookies Quinyon Mitchell and Cooper DeJean, the new "Lito and Sheldon," have instantly transformed the Eagles' defense.

Now they are best friends and a huge key to the team's chances of beating Patrick Mahomes and the Kansas City Chiefs in Super Bowl LIX.

The transformation of the Philadelphia Eagles defense can't be told without mentioning Quinyon Mitchell and Cooper DeJean. Two of the major catalysts toward the revitalization of the unit, the Eagles' first- and second-round picks immediately improved the secondary upon their arrival.

From two impactful players in Philadelphia's secondary to a speedy receiver for Kansas City, rookies could be significant contributors on Sunday.

Some have to wait and wait, and finally it arrives. And then there are Cooper DeJean and Quinyon Mitchell. They did not have to wait at all.

Eagles Quinyon Mitchell finished second and Cooper DeJean Finished fourth in AP NFL Defensive Rookie of the Year voting

The remarkable way the Eagles transformed their defense and made it back to the Super Bowl in 2 years, with more to come

Neither organization has buyer’s remorse. All four players are Rookie of the Year finalists. But the Eagles secured their secondary of the future. In Mitchell, the Eagles gained an immediate starter opposite veteran cornerback Darius Slay. In DeJean, they gained a potential successor for Slay, a six-time Pro Bowler entering his age-33 season.

Philadelphia rookies Quinyon Mitchell and Cooper DeJean have helped turn a secondary that was a decided weakness last season into a strength headed into the Super Bowl rematch against the Kansas City