JOHN HOLLENBECKHollenback, JohnBorn: High School: |
| Year | College | Participation |
|---|---|---|
| 1904 | Pennsylvania | Lettered |
| Year | League | Assignment |
|---|---|---|
| 1925 | NFL | Head Linesman; Field Judge |
| 1926 | AFL | Head Linesman |
| 2 Years |
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