Buffalo holds No. 1 after Week 2 with a balanced win, while the Cowboys, Colts and Bengals rode late drama to strong starts. Injuries to Purdy, Burrow, Daniels and McCarthy loom large as backups must prove their mettle. Veterans like Jones and Geno are adapting to new surroundings, reshaping Week 3 fantasy projections. The power rankings hinge on improved run games, QB efficiency and the emergence of supporting casts ready to elevate star players.