The NBA has postponed the San Antonio Spurs‘ next three games after four players on the team tested positive for COVID-19, the league announced Tuesday.

The Charlotte Hornets, who played the Spurs on Sunday, are undergoing contact tracing and will have their next two games postponed, the NBA said.

The Spurs have remained quarantined in Charlotte since Sunday’s game, sources tell ESPN’s Adrian Wojnarowski.

The Spurs games affected were scheduled for Wednesday, at the Cleveland Cavaliers, Saturday, at the New York Knicks and next Monday, at the Indiana Pacers.

The Hornets games affected were scheduled for Wednesday, against the Chicago Bulls, and Friday, against the Denver Nuggets.