Fame
Your face will be seen by the millions who watch games on TV and in person. People will show up to promotional events and line up for your autograph. Your image will be on calendars, posters, and in magazines.
Will anyone know your name? Probably not.
As a member of the team, you'll be famous, but not to the point where people will recognize you on the street. You'll be really popular on Sundays, but on Wednesdays you'll probably just be whoever you are in your normal job. Don't get used to the attention—it's very short lived.
Of course, there are some cheerleaders who are able to parlay the status of their jobs into modeling, dancing, or acting gigs. Most, though, just enjoy the temporary fame that comes with the job. But there are people like Paula Abdul, Stacy Keibler, and Teri Hatcher who've been able to transition from cheerleader to entertainer (source).
Although, you'll note they didn't get famous because they were cheerleaders. You'll probably need a back-up talent to go with those dance moves.