First Baseman Jon Singleton has been called up to the Houston Astros and will take over first base duties immediately. Singleton figures to bat in a run producing lineup spot - most likely 3rd behind George Springer - and is a must add in all fantasy baseball formats if he is still available. Singleton could be a savior for those who lost Prince Fielder or others just trying to fill a hole at 1B, but it could also take some time as it does with most prospects. Owners should give Singleton until after the all-star break to show something, but if things go well Singleton could be a very productive fantasy asset.
Outfielder Oscer Taveras was also recently called up to join the Cardinals on June 1st. Taveras will see immediate playing time with Matt Adams hitting the disabled list. Taveras is also a good add in most formats but may not be in as good of a situation in terms of potential playing time.