University of Maryland freshman offensive lineman Jordan McNair has died weeks after he was hospitalized following an offseason workout. McNair was practicing with his team when he collapsed.

According to a GoFundMe account started by his mother, McNair was airlifted to R. Adams Cowley Shock Trauma Center in Baltimore, Maryland, in late May following his collapse. He received a liver transplant while there. McNair’s condition was kept private at the family’s request, reports ESPN.

The 19-year-old passed away this Wednesday, and the cause of death is unknown.

Maryland coach D.J. Durkin released astatement mourning the lost of the young player.

“Our team is heartbroken with the loss of Jordan McNair," Durkin wrote. "Jordan was an incredible young man, and his passion and enthusiasm made him an invaluable and beloved member of our team. Jordan was a hard worker and he always had a smile on his face. He was an extremely talented football player and a humble and genuine human being. He embodied the essence of what it means to be a teammate. Jordan was a fighter. Over the past few weeks, Jordan never gave up with his family, friends and team by his side. Our team will continue to be inspired by the spirit of this brave fighter. Please continue to pray for Jordan’s family during this difficult time.”

McNair’s teammates also expressed their condolences and grief on social media.

May he rest in peace.