Sierra was optioned to Double-A Springfield on Friday, Jenifer Langosch of reports.

The young outfielder was sent back down after the Cardinals activated Jhonny Peralta (illness) from the disabled list. Sierra had a strong first stint with the big league club, however, going 11-for-30 with eight runs and a steal. Although he'll head back to the minors for now, Sierra did enough in his stint with the Cardinals to warrant another look later in the season.

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