Projecting Magneuris Sierra
With outfielders Dexter Fowler, Stephen Piscotty and Jose Martinez all out of commission, the Cardinals called up 21-year-old Magneuris Sierra to play center for the time being. Sierra was off to a fine start in High-A this year, hitting .272/.337/.407 through 20 games. But of course, all of that came against pitching that was not one, not two, but three levels below the big leagues.
Sierra’s hitting has never been his calling card, however, as his prosoectdom is centered around his speed and defense. Lead prospect analyst Eric Longenhagen described him as having “Gold Glove-caliber tools in center field” last month and gave both his speed and defense future grades of 70 over the winter. Those tools have translated to on-field performance in the lower levels, as he swiped 31 bags in Low-A last year and clocked in above average in center according to both Clay Davenport’s and Baseball Prospectus’ defensive numbers. Read the rest of this entry »



