Fantasy managers have already seen several high-end fantasy assets hit the injured list. Even though we are just five weeks into the long fantasy baseball season, several top players have been sidelined for a significant portion of the opening month.In this piece, we will analyze the latest updates on Tampa Bay left-handed pitcher Shane McClanahan, Houston right-handed pitcher Spencer Arrighetti, and Arizona second baseman Ketel Marte.How much longer will these impact players be on the injured ...