During a recent interview with BBoxingNews.com, former 3-time boxing champion Fernando Vargas issued a challenge to Justin Bieber to test his hand skills against his son, Fernando Vargas Jr.  

Fernando was asked if he'd like to see Justin, whose been trained by Floyd Mayweather recently, step inside of the ring with his son, to which Fernando eagerly dished out an official challenge to the young singer.

Fernando Jr. stated that loads of people have been asking him if he'd like to spar with Bieber, which he would be interested in, and also that he isn't sure how well Justin would be able to utilize Mayweather's shoulder roll if they throw hands.