Someone sent the Chicago Cubs a message Wednesday.

The message came in the form of a goat’s head that was delivered to Wrigley Field and addressed to Cubs owner Tom Ricketts.

“We got a call at 2:30 p.m., responding to 1060 West Addison, Wrigley Field,” a Chicago Police Department spokesman told ESPN Chicago. “We’re investigating it as an intimidating package.”

It isn’t entirely clear just what kind of message a goat’s head sends, given that the package contained no note. Is it a joke? A threat? Some sort of misguided attempt to reverse the team’s curse? After all, William Sianis, the late owner of the Billy Goal Tavern, allegedly placed a curse on the team after he and his pet goat were denied entrance to Wrigley during the 1945 World Series. The Cubs, who last won the World Series in 1908, lost that Series and have never returned.

Or perhaps it’s somehow related to the Cubs’ negotiations with city officials and Wrigley neighbors over installation of a giant scoreboard and an increase in the number of night games.

The man who delivered the head to Gate K has not been found. He drove off after giving it to a security guard. And the package was never delivered to Ricketts.

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