Steve Alexander and Matt Stroup break down the top waiver pickups for Week 15. Among the topics we hit:What could be the last big hurrah for Austin Rivers on a four-game weekA potentially perfect storm for Shai-Gilgeous Alexander with injuries to Lou Williams and Danilo GallinariDr. A re-enters the Danny Green vortexJustin Holiday's return to fantasy relevance in MemphisWhy Kevin Huerter and DeAndre Bembry of the Hawks should be owned in a lot more leaguesThe potential for Bobby Portis with Wendell Carter Jr. headed for thumb surgeryWhat to expect from Kenneth Faried as he steps into the ample shoes of Clint CapelaWhat to make of Ivica Zubac and the Lakers center rotationAnd what to do with the talented but enigmatic Jonathan IsaacCheck out Steve's Waiver Wired column on Rotoworld right here.