https://screenrant.com/cobra-kai-tory-sam-rivalry-devon-lee-season-5/

With Eagle Fang's newest student, Cobra Kai can finally end Sam and Tory's feud and set up a new rivalry for one of the two characters (if not both).

It looks like Kenny and Anthony will be the new big rivalry for Season 5. Tory and Sam have overshadowed Miguel and Robby from Seasons 2-4, and now it looks like the rivalries in both of those parties are on the road to ending.

Season 4 to me seemed like the writers were beginning to hand the torch down to the younger characters since they made it clear more than once during the season that Sam, Miguel, Demetri, Eli, Moon, Yasmine, Kyler and the other characters we came to know during the first few seasons are going to be graduating High School soon.