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What does OSB stand for?

OSB stands for Originally Signed By

This definition appears very rarely and is found in the following Acronym Finder categories:

  • Military and Government

See other meanings of OSB

Other Resources:
We have 118 other definitions for OSB in our Acronym Attic

Samples in periodicals archive:

Alexander, originally signed by the Patriots as a rookie free agent in April 2004, played in 14 regular-season games in 2006 and made his first NFL start against the Colts in the AFC Championship game.
His story: Originally signed by the Chicago White Sox as a 17-year-old free agent in 1999, Santana signed with the Diamondbacks last season and batted .