As Week 15 of the NFL season approaches, fantasy football players are gearing up for the playoffs with critical start and sit decisions. Matthew Berry offers his rankings alongside extensive analysis highlighting risers like Rico Dowdle and must-start running backs such as Hubbard and Robinson. Managers are advised to explore waiver wire options in Las Vegas and Jacksonville to bolster their rosters, with potential additions including Bryce Young and Tank Bigsby. Meanwhile, players like C.J. Stroud, Alvin Kamara, and DK Metcalf face the risk of underperforming this week. With various positional rankings and deep dives into streaming options available, fantasy enthusiasts are equipped to navigate this crucial week with confidence.