A construction worker at the new Yankee Stadium, tried to place a curse on the new field, by burying a David Ortiz jersey deep in a concrete pillar.

An excerpt from the ESPN.com article:

NEW YORK -- A construction worker's bid to curse the Yankees by planting a Red Sox jersey in their new stadium was foiled Sunday when the team removed the offending shirt from its burial spot in the ballpark.

After locating the shirt in a service corridor behind what will be a restaurant in the new Yankee Stadium, construction workers jackhammered through the remaining concrete Sunday and pulled it out.

The team learned that a Sox-rooting construction worker had buried a shirt in the stadium from a report in the New York Post on Friday, team officials said.

Yankees President Randy Levine said the team at first considered leaving the shirt.

"The first thought was, you know, it's never a good thing to be buried in cement when you're in New York," Levine said. "But then we decided, 'Why reward somebody who had really bad motives and was trying to do a really bad thing?'"