Steelers' Mannequin Challenge is so cool it's frozen

The Pittsburgh Steelers joined the #MannequinChallenge, the latest fad sweeping the internet, and it was a resounding win.

From Antonio Brown mid-swig to James Harrison hitting a pull-up and holding it, the Steelers' execution was perfect. The only thing missing was Big Ben demonstrating negative-10,000 mobility on that surgically repaired knee.

The sports world gave us some good Mannequin Challenges, including the Ohio State football and Wisconsin basketball teams: