The Jets lost a heart-breaker last week against Buffalo, and this week won't get any easier. Jets QB Sam Darnold is officially out for possibly multiple weeks due to Mono.

Mononucleosis is better known as the kissing disease and can leave patients of it very achy for upwards of a month due to the viral infection. The Jets will start Trevor Siemian until Darnold is able to play again.

Just for fun, here's Bob's Burgers teaching you about Mononucleosis.