From BR Bullpen
Players, teams, leagues and events that were the first of their kind.
 Further Reading
- Richard L. Chilton: The Groundbreakers! There is a First Time for Everything: 1,804 Answers to First Time Happenings in Major League Baseball that You Were Curious to Know, MindStir Media, Portsmouth, NH, 2013. ISBN 978-0988959538
This category has only the following subcategory.
- [+] 1871 (4 C, 12 P)
Pages in category "Famous Firsts"
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