The Champ: Anthony Joshua during a press conference, at New York’s Beacon Theater—ahead of his heavyweight title fight with Andy Ruiz Jr, at Madison Square Garden. (Photo By Stephen McCarthy/Sportsfile via Getty Images) If Anthony Joshua looks like he doesn’t have a care in the world right now, well, it’s because he doesn’t. On Saturday, June 1, he will attempt to defend his WBO, WBA and IBF heavyweight world titles against challenger Andy Ruiz. Joshua, the massive favorite is fighting Ruiz, who is a replacement for the original challenger, Jarrell Miller. Ruiz took this fight on relatively short notice for a fight of this magnitude after Miller tested positive for banned substances. Joshua, the undefeated heavyweight champion has a perfect record of 22-0 (21KOs). Ruiz’s only blemish was in 2016 when he lost a majority decision to Joseph Parker for the vacant WBO heavyweight title in Parker’s native land of New Zealand. Since then Ruiz 31-1 (21KOs) has won three fights while waiting to get another shot at the world title. Andy Ruiz might look like the guy next door, not the one that goes to the gym. The other one, that looks like he plays a lo...