Negro National League (1920–1931)
| Classification | Major league |
|---|---|
| Sport | Negro league baseball |
| Founder | Rube Foster |
| First season | 1920 |
| Ceased | 1931 |
| No. of teams | 22; operated asynchronously |
| Country | United States |
| Most titles | Chicago American Giants (5) |
The first Negro National League (NNL I) was one of the several Negro leagues that were established during the period in the United States when organized baseball was segregated. The league was formed in 1920 with former player Rube Foster as its president.