Tony Brown, a longtime NBA referee, died Thursday after a battle with pancreatic cancer, the league said. He was 55.

An 18-year-old Mississippi State University (MSU) student-athlete suddenly died on Wednesday just two days before his 19th birthday, the school said.

BARCELONA—Brazil soccer star Neymar Jr. told a court on Tuesday he did not participate in negotiations over his transfer to “childhood dream” club Barcelona from Santos in 2013, but had signed what his father had told him to.

DUBAI, United Arab Emirates—Iranian climber Elnaz Rekabi returned to Tehran early Wednesday after competing in South Korea without wearing a headscarf, an act widely seen as support for anti-regime demonstrators amid weeks of protests over the Islamic Republic’s mandatory hijab.

JAKARTA—A fact-finding team tasked with investigating a deadly soccer stampede in Indonesia has concluded that tear gas was the main cause of death in one of the world’s worst stadium disasters, the country’s security minister said on Friday.

Dutch motorcycle rider Victor Steeman has died following injuries he suffered during a race in Portugal, the governing body of the sport, the Federacion Internationale de Motocyclisme (FIM), announced on Tuesday. He was 22.

MIAMI GARDENS, Fla.—The NFL and NFL Players Association have agreed to make changes to the league’s concussion protocol following a joint investigation into the procedures after Miami Dolphins quarterback Tua Tagovailoa suffered what was described as a back injury against the Buffalo Bills last month.