The deceased was said to have celebrated his 48th birthday on Thursday in Qatar.
According to the BBC, early reports suggested that he might have died of heart attack.
The US Soccer Federation, in a tweet described the death of Wahl as heartbroken.
“Fans of soccer and journalism of the highest quality knew we could always count on Grant to deliver insightful and entertaining stories about our game, and its major protagonists.
“Grant made soccer his life’s work, and we are devastated that he and his brilliant writing will no longer be with us,” it said.
According to NPR, Wahl collapsed in the press tribune as Friday’s Argentina-Netherlands match was winding down. Paramedics performed CPR at the scene before taking him away on a stretcher. The Wall Street Journal said Wahl apparently suffered a heart attack.
According to AFP, Wahl was detained in Qatar on November 21 by security staff after he wore a rainbow shirt to the opening match between the US and Wales teams, showing support for LGBTQ rights in a country where same sex relations are outlawed.
Wahl said on his subscription newsletter earlier this week that he’d gone to a clinic at the media center in Qatar, “and they said I probably have bronchitis.”
