The Houston Astros placed Yordan Alvarez, Jose Altuve, and Alex Bregman on the injured list, the team announced Wednesday, according to Brian McTaggart of MLB.com.

Houston also placed Robel Garcia and Martin Maldonado on the IL.

The Astros didn't specify the nature of the players' injuries. However, general manager James Click said they're sidelined "as a result of health and safety protocols," per Chandler Rome of the Houston Chronicle.