Samuel Basallo took off his catcher’s mask and walked to the mound, then raised his mitt over his mouth to say something to Trevor Rogers. It was the left-hander’s first jam of an otherwise dominant night,

These are rest-of-season rankings for mixed 5x5 fantasy baseball leagues. You can check out our rankings for dynasty leagues here.

Basallo, 21, is a former international signee out of the Dominican Republic and is a consensus top-15 prospect in the majors at this point. CBS Sports prospect expert R.J. Anderson ranked Basallo ninth overall in his midseason rankings this year, saying the following:

Trevor Rogers took a shutout into the seventh inning, helping the Baltimore Orioles secure a 6-3 win over the Boston Red Sox.

Samuel Basallo is hit by a pitch in the arm during his first big league plate appearance in the 2nd inning

So, before we get to the top waiver-wire targets for every position ahead of Week 22, let's take a look at four big-name prospects to know who were promoted in recent days:  For more names to know who might get the call in the coming weeks,

Jesus Sanchez robbed Gunnar Henderson of a grand slam and denied Samuel Basallo his first MLB homer in Astros’ 12-0 loss to Orioles.

As soon as the ball left the bat and rocketed toward deep right field, Samuel Basallo thought he had done it. The 21-year-old phenom appeared to have blasted a three-run home run in the seventh inning on Sunday during his MLB debut for the Orioles.