With a quarter of the NFL season in the books, what have we learned thus far about individual players and teams' play-calling tendencies? Dr. Eric Eager of Pro Football Focus joins The Power Rank's Dr. Ed Feng and numberFire's Jim Sannes to discuss this, outlining the early-season performances of Josh Allen and Justin Herbert, which teams have made major changes in how they're calling the game, and his favorite bets for Week 5.