Security will be extra tight at the old ball game this year.
Yankee Stadium officials say they will have metal detectors set up at various locations around the park starting Tuesday.
Major League Baseball has been working with the Department of Homeland Security to standardize security measures at all 30 stadiums.
The uniform measures go into effect at the beginning of the 2015 season.
The Yankees say they're installing the detectors early in order to get both the fans and staff used to the new procedures.