GIF: It's so cold in Chicago fans are dressing like penguins

Temperatures have plummeted into the mid-30s at U.S. Cellular Field for Wednesday night's tilt between the Red Sox and White Sox, and fans have dressed for the occasion.

This fan felt the need to dress up like a penguin and shuffle across the empty rows at the stadium in order to stay warm as the teams played extra innings.

[Courtesy: NESN]

Or, maybe they just found out the Pittsburgh Penguins won their playoff opener over the Columbus Blue Jackets 4-3 and decided to engage in a celebratory dance?