“This could put it in danger,” said Fauci, the nation’s top infectious disease expert. “I don’t believe they need to stop, but we just need to follow this and see what happens with other teams on a day-by-day basis.”

Fauci made his comments on ABC’s “Good Morning America.”

“Major League Baseball — the players, the owners, the managers — have put a lot of effort into getting together and putting protocols that we feel would work,” Fauci said. “It’s very unfortunate what happened with the Miami (Marlins).”