JOHN HOLLENBECKHollenback, JohnBorn: High School: |
| Year | College | Status |
|---|---|---|
| 1904 | Pennsylvania | Lettered |
| YEAR | LEAGUE | ASSIGNMENT |
|---|---|---|
| 1925 | NFL | Head Linesman; Field Judge |
| 1926 | AFL | Head Linesman |
| 2 Years (NFL) |
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