The Florida Highway Patrol is mourning a trooper who died days after suffering an injury while working on the sideline of a college football game.

Senior Trooper Craig Gaines had been with the FHP since 2008 and as extra duty, worked as lead security for Florida A&M University head football coach James Colzie III, officials said. Getty Images

Gaines was working the Sept. 6 FAMU game against Florida Atlantic University in Boca Raton and was on the sideline when he was unintentionally struck by players at the end of a play, according to the Fraternal Order of Police Florid State Lodge.

After he initially "shook off" the injury, Gaines continued to experience pain and it was discovered he'd fractured his leg.

Then, on Sept. 19, while he was off duty and at home, Gaines started feeling il

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