Prospect Report: Steer & Peraza Promoted! Stash Mark Vientos (9/3 Fantasy Baseball Podcast)

Both Oswald Peraza and Spencer Steer were called up on Friday. Where should they be added? Can we see Grayson Rodriguez this season? Are Triston Casas and Mark Vientos worth stashing?'Fantasy Baseball Today in 5' is available on Apple Podcasts, Spotify, Stitcher, Google Podcasts, Castbox and wherever else you listen to podcasts. Get 20% off Fantasy Baseball Today merch: https://store.cbssports.com/collections/fantasy-baseball-today?utm_source=podcast-apple-com&utm_medium=web&utm_campaign=buy-our-merch&utm_content=fantasy-baseball-collectionFollow our FBT team on Twitter: @FBTPod, @CTowersCBS, @CBSScottWhite, @Roto_FrankJoin our Facebook group at https://www.facebook.com/groups/fantasybaseballtodaySign up for the FBT Newsletter at https://www.cbssports.com/newsletters/fantasy-baseball-today/For more fantasy baseball coverage from CBS Sports, visit https://www.cbssports.com/fantasy/baseball/To hear more from the CBS Sports Podcast Network, ...