There will never be a definitive anwser to such a question. It´s like throwing dice. Someone like Brandon Rios will always have an easier time landing punches. On the other hand you have Hopkins, who has had issues with punch output.
Damn I was going to do a thread like this pointing out how its more impressive to land punches on someone who doesn't want to be hit with an impressive defense, than it is to have an impressive defense.
James Toney sits in the pocket, rolls your shots and lands crisp counters time and time again. his skills were amazing. Running is not defence. but then if you havent got the firepower to keep your man honest, you should get on the bike and outpoint them.
Any dummy can throw and land a punch, but very few guys can hit and not get hit in return...that's what makes a fighter great and dominant. I mean if you're avoiding punches, your opponent can never score, and you can never get hurt.
I believe this might be true. If one where to start from the time someone sees a target to punch and the other person seeing a movement of a punch, the physical distance to avoid the punch is shorter than the punch thrown. I am only taking a typical dodging away from a right cross for example.
Depends who's attacking or defending. All things being equal offense is probably the more difficult. When you see two highly skilled boxers sparring they end up landing very little (becoming a tennis match of blocks, slips and parries) unless they're making a concerted mutual decision to go to war and open up.
Defense is underutilized and not emphasized as strongly as it should be in modern coaching, but fundamentally is easier to learn than is landing on someone who is similarly trained in the fundamentals of defense.
Slipping and parrying punches are much more difficult than learning how to execute offensively. At least that's my experience. In the gym, some boxers never learn a good defense. Very few don't learn how to attack.