Old adages stand the test of time because of a very simple reason — they survive history. Fans frequently clamor for their franchises to lock up their young players early, and for good reason. As it relates to the Miami Dolphins in their current state, there's only one real candidate for a hefty new contract, and that is running back De'Von Achane. At only 24 years old and coming off an electric 1,800+ all-purpose yard season, he's certainly earned it.
In the current NFL, draft picks become eligible to sign contract extensions following their third year in the league.