CALL-UPS: May 2-8, 2017

Photo: Magneuris Sierra (OF, STL)

Contributing writers: Jeremy Deloney (JD), Rob Gordon (RG), Nick Richards (NR) and Matthew St-Germain (MSG)

May 8, 2017

Magneuris Sierra (OF, STL)
Due to a number of minor ailments among Cardinals position players, St. Louis dropped down to High-A to recall the 21-year-old. Sierra was on the 40-man roster prior to the promotion and he likely will return to the minors after a few games. One of their best prospects, the left-handed hitter has a lot of development time ahead of him. His best tools—speed and CF defense—are major league ready, but his bat has a long way to go. Defensively, he is a superior CF with well above average range and a strong, accurate arm. His instincts are also much more polished...

Almost!

You’re just a few clicks away from accessing this feature and hundreds more throughout the year that have a singular goal in mind: Winning your league. Subscribe to BaseballHQ.com here!

Already a subscriber? Sign in here

More From Callups

Callups for April 11: Andrew Morris (RHP, MIN) & Jayden Murray (RHP, HOU)
Apr 11 2026 3:01am
Callups for April 6: George Klassen (RHP, LAA), Garrett Acton (RHP, Minnesota Twins), Tanner Murray (UT, CHW) & Christian Roa (RHP, HOU)
Apr 6 2026 3:01am
NL East Callups for March 29, 2026: Deyvison De Los Santos (1B, MIA)
Mar 29 2026 2:59am
NL Central Callups for March 29, 2026: Jeferson Quero (C, MIL)
Mar 29 2026 2:58am
NL West Opening Day Callups for March 25: Andrew Hoffmann (RHP, ARI), TJ Rumfield (1B, COL), Alex Freeland (IF, LAD), Bradgley Rodriguez (RHP, SD), Caleb Kilian (RHP, SF), Jared Oliva (OF, SF) & Daniel Susac (C, SF)
Mar 26 2026 3:05am

Tools