Looking to gain an edge in your fantasy baseball league without burning through trade capital? Sometimes, the most valuable moves come from under-the-radar waiver wire additions.We've identified five hitters who are quietly producing and deserve a closer look. Kyle Stowers is flashing legit power upside, Jurickson Profar continues to be a versatile contributor, Otto Lopez is heating up with everyday at-bats, Chandler Simpson brings game-changing speed, and Colt Keith is starting to show signs of...