On Wednesday, a San Jose Earthquakes player, Marcos Lopez, had an appendectomy while the team is preparing for the MLS is Back Tournament in Orlando. Those things happen, there’s not much you can do to prevent them.
But on the subject of health, there are two general concerns for all teams, including the Earthquakes, at the MLS is Back Tournament.
The first is standard-issue concerns over injuries in a compressed schedule. To an extent, injuries to athletes are part of life in sports. You can’t prevent all of them from happening, although you can try to prepare and maintain the players’ bodies as well as possible to limit injuries.