Siebert Takes First Workout -- Boston Red Sox pitcher Sonny Siebert tests his arm as he throws batting practice at first spring training workout in Winter Haven today. Siebert had an operation during winter for removal of calcium deposits on the elbow.

Digital Commonwealth — Boston Public Library

Siebert Takes First Workout -- Boston Red Sox pitcher Sonny Siebert tests his arm as he throws batting practice at first spring training workout in Winter Haven today. Siebert had an operation during winter for removal of calcium deposits on the elbow.

[ca. May 1971]

RightsCC0 — Public Domain

CollectionDigital Commonwealth — Boston Public Library

[Information from item housing] Siebert Sonny Red Sox Pitcher

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