Bad Left Hook, Global Boxing News and Commentary

Juan Manuel Marquez says he's a clean fighter, and the Mexican superstar has said he'll take 'Olympic-style' drug testing ahead of his next fight.

Steroid and performance-enhancing drugs talk has been an unfortunate focal point of the Pacquiao-Marquez IV build-up. But however unfortunate, it's a reality that there is serious skepticism hanging over the fight.

Manny Pacquiao's trainer Freddie Roach has stirred up some controversy by accusing Juan Manuel Marquez of using performance-enhanced drugs

Bad Left Hook takes a look at the once-again brewing storm around performance-enhancing drugs in boxing.