Does Stipe have a speech Impediment

[Trabaho]

Alistair, Arlovski also Lionheart, got KOd a lot. They speak normal and fluent. Stipe just doesn't sound normal. Does his brain not take the damage as well as others ?

War Stipe by Tko vs Jones break his Bones

 

[Kowboy On Sherdog]

You're thinking of Rocky Balboa in Rocky II