The day the guys were set to hit the stage in Rio, Bon Jovi's drummer ended up back in the hospital. So, what's wrong now?

According to the official Bon Jovi website, their drummer, Tico Torres was rushed to a hospital in Brazil over the weekend due to severe abdominal pain. The culprit this time around was his gallbladder and he is likely going to have to have another surgery. I say another because he just underwent an emergency appendectomy in Mexico City last month.

The group's performance at Rock in Rio went on as usual with a backup drummer filling in at the last moment. Check out the performance: