This article references 2B, Conor Gillaspie, Kevin Gausman, Shane Greene, SP and more! This article is subtitled the "Yahoo! Sleeper Edition," not because these players are sleepers in Yahoo! formats, but because Yahoo! fantasy owners are entirely sleeping on them unjustly. The first player in this article is one of my hidden gems whom I think can really make an impact the rest of the season, followed by three guys who are just flat-out not owned enough in Yahoo! fantasy baseball leagues. Everyone on this list could possibly be useful in mixed formats, but they are all potential [...] Keep on reading: Deep League Waiver Wire Pickups (AL Edition): Week 18