That would have been guess

Doggo/ Boxer mix

He'd pass for am bulldog.

He looks like an Ambull to me. His deafness would likely be due to the pattern white, not due to being injured.

Deaf dogs are often abused due to owners thinking they're stupid or stubborn, not even thinking they might be deaf!

I hate people.

Poor lad. Some people make me sick. I pity any creature of any species that comes under the 'care' of the person who did that to an innocent dog in the future as I doubt it will be a one off. They're probably just working their way up to a spouse or a child.