Cristiano Marcello undergoes surgery in both knees, postpones MMA return

Longtime veteran Cristiano Marcello will have to postpone his return to action.
The leader of Curitiba-based CM System team announced his decision to compete 4.5 years after hanging up his gloves in the UFC, signing with Brave Combat Federation, and was expected to make his debut in December.
However, old injuries in both of Marcello’s knees required surgery.
The 40-year-old fighter, who competed for promotions like UFC and PRIDE since his professional debut in 1997, underwent surgery Wed