A handful of big-league stadium check-ins from 1 baseball fan who happens to have 2 thumbs? By our count, you're only a 4-bagger short of the foursquare cycle! We tried putting the badge in the Cracker Jack box. Didn't fit.
If you build it, they will come. You've been to 10 different baseball stadiums! You'll unlock Level 4 once you've been to 5 new ones. That's a lot of hot dogs.