ON Feature: Library

The ON Library’s purpose is to explain and define statistics, scouting terms and general baseball principles that are frequently used around ON.

The Library home page includes a list of the most recently added terms, a search bar, an index to easily browse terms alphabetically, and links to browse by category.

When browsing a page of the Library — for example, straight changeup — you’ll see a list of related terms in the sidebar. You can also find categories and a search bar on every single page.

  • If you know of a term, statistic, or baseball principle that is missing from our Library, please let us know.
  • If you would like to add information to one of our Library pages or submit a new term and definition, please use this form send it to us.

Browse our Library

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About The Author

- Founder and Executive Editor

Jordan founded Orioles-Nation.com in November 2009. He is a computer science & business major at Towson University. He is the site programmer, designer, editor and primary minor league writer. He also contributes to and maintains the site’s prospect rankings and scouting reports. Jordan's work has been recognized in a number of publications including MASN, The Baltimore Sun, MLB Trade Rumors, FanGraphs and Project Prospect. In addition, Jordan is a special contributor to John Sickels’ (formerly of ESPN.com) blog, Minor League Ball. Read more about Jordan at JordanTuwiner.com and follow him on Google+ and on Twitter @JordanTuwiner.