Now that most NFL rosters are largely finalized for 2021, which teams have made the biggest improvements during the offseason? Kevin Cole of Pro Football Focus and the Unexpected Points podcast joins The Power Rank's Dr. Ed Feng and numberFire's Jim Sannes to break that down, discussing which teams are primed for a leap next year, whether betting markets are fully accounting for those changes, and what we can take away from last week's NFL draft.