Matt Stroup and Rotoworld prospects guru Chris Crawford check in on some of the notable names that have been called up this season, including hard-hitting rookies Austin Riley and Michael Chavis, and how likely they are to continue mashing in 2019. Plus, why Eloy Jimenez is still a big-time breakout candidate for this season, the potential home run ceiling for Vladimir Guerrero Jr. and why Angels right-hander Griffin Canning is a high-upside arm for this year and beyond.