| Martinsburg Blue Sox | |
|---|---|
| |
| Minor league affiliations | |
| Previous classes | Class D |
| League | Blue Ridge League |
| Major league affiliations | |
| Previous teams |
|
| Minor league titles | |
| League titles | 1922–1924 (3) |
| Team data | |
Previous names |
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Previous parks | Rosemont Park |
The Martinsburg Blue Sox were an American minor league baseball team based in Martinsburg, West Virginia. They played in the Blue Ridge League between 1915 and 1929 and were an affiliate of the Philadelphia Athletics in 1929.