Anthony Joshua

Hayden Panettiere says she's "pretty confident" her baby daddy, Wladimir Klitschko, will destroy Anthony Joshua when they face off later this month ... telling TMZ Sports "we're ready." Hayden breaks down her role in Klitschko's preparation ... and says she's gonna be right in the front row…

Heavyweight boxing champ Anthony Joshua is a freak of an athlete. 6'6", 234 lbs and explosive as all hell. Yet he sucks at dunking a basketball. Here's video of the K.O. king getting rocked by the rim at the Under Armour headquarters in Baltimore -- where he's been promoting his upcoming…