Bryan Braman, an NFL linebacker who won a Super Bowl with the Philadelphia Eagles, died at 38 years old from a rare form of cancer, according to multiple outlets.
His agent confirmed his passing to CNN and USA Today on Thursday.
A GoFundMe created to help Braman with medical costs that were not covered by insurance said he had a "very rare form of cancer," but did not specify the type.
The fundraiser page said he recently underwent a Car-T cell treatment in addition to chemotherapy and surgical procedures, but that he had been unable to recover from the procedures because of his lowered immunity.
During periods of recovery, the cancer would grow back even faster and eventually surround his vital organs, the page stated.
Braman played in the NFL for seven years — three with the Housto