Yes, almost life-long avid supporter.
What confused me is the way they talked in their video tips. Apparently they are expecting the applicants to be creative, and I don't know how creative you can be if only verbal statement, maybe a rap or poem? In addition, even though the video will be watched by AO, the intended audience is the future classmates.
[quote="stoiczoan"]Interesting question.. is that team Manchester United?
Here's my take -
The risk may not be worth it. The way MIT Sloan evaluates your candidature is through rating you on various aspects (they broadly classify them under 2 groups - "demonstrated success" and "personal attributes"). The video statement is to mostly have a quick look at your "presence" & "interests" - to get to know you better. (Check out the youtube video by the admissions team)
So I don't think you're going to score any extra points by wearing the jersey. Instead you could show your love for the team through talking about an incident or example. Appearing professional and smart will be a low-risk approach.. and if I were you I would avoid wearing it.
But its your decision. Go for it if you really want to. Nonetheless, in my opinion the video statement is not going to have a material impact on getting you an interview if MIT doesn't rate you highly on the other real aspects of the application.