Walmart’s Smart Boxing Training Machine is a “fun and must-have” device, according to reviewers. Move over, Freddie Roach, because there’s a new boxing trainer in town, and this one only costs $62.

IN THE 1996 Olympics in Atlanta, Georgia, boxer Floyd Mayweather Jr seemed to outclass his opponent in the semi-final bout. As the winner’s name was read out, the referee raised Mayweather’s hand – ...