Who are the biggest surprises of the season so far? And which players have been the biggest fantasy letdowns? Matt Stroup and Chris Crawford come up with a top five list for each category, including Tim Anderson, Austin Meadows and Josh Bell surging, with Jose Ramirez, Matt Carpenter and Daniel Murphy struggling to live up to preseason billing. We also try to put Vladimir Guerrero Jr.'s early struggles in perspective, consider the arrival of Corbin Martin in Houston, and track an insane power binge for Braves prospect Austin Riley. You can check out Chris' latest top-10 prospects report right here.