The Boston Red Sox have made some significant roster moves amid their struggles this season. The team has promoted top-ranked prospects Marcelo Mayer and Roman Anthony in recent days, but the moves haven't done much to add to the wins column.

As the Major League Baseball trade deadline looms in the distance, the Boston Red Sox are juggling a million things at once. Top prospect Roman Anthony is just getting his feet wet. Fellow rookies Marcelo Mayer and Kristian Campbell are trying to develop as well,