Sporting News.com's Vinnie Iyer breaks down the players you need to add most on the Week 3 fantasy football waiver wire to help navigate through a rash of new key injuries to Isiah Pacheco, Cooper Kupp, A.J. Brown, Deebo Samuel, Joe Mixon and more. Vinnie helps you figure out the best replacement options in the Chiefs' and Texans' backfields while also weighing the value of rookie handcuffs and young veteran changes of pace. At WR, the Chargers Quentin Johnston is just one of many choices that can provide good injury fill-ins, while at QB and TE, Derek Carr and Hunter Henry have a chance to stay hot as surprises.