Anderson Silva is back ... to boxing!!!
The 45-year-old MMA legend has signed a contract to fight 35-year-old Julio César Chávez Jr. on June 19, TMZ Sports has confirmed.
Silva was released from UFC contract back in Nov. 2020 following a loss to Uriah Hall -- but he was adamant he wanted to continue his combat sports career elsewhere ... and now, he's making it happen in a boxing ring.
"When I look back at my journey, I see that nothing has been in vain," Silva says .