Do you have football fever? No, we mean actual fever.

According to a new survey by The Workforce Institute, one in ten U.S. workers might be sidelined on Monday after the big game.

A whopping 16.5 million Americans say they might not go to work. In fact, 10.5 million Americans have already requested  the entire day off in advance, with the rest considering calling in sick Monday morning. Another 7.5 million say they’ll show up late.