The latest Rotoworld Fantasy Baseball Waiver Wire column examines a potential breakthrough from Jo Adell, the impending return of former top pitching prospect Taj Bradley and a tasty streaming opportunity for fantasy managers later this week. Joey Loperfido and Jordan Beck received their first callups earlier this week for the Astros and Rockies, respectively. The 24-year-old burgeoning slugger also struck out 30% of the time in just 25 games for Triple-A Sugar Land.