Well, compare the two. Putin’s muscular. Obama’s not.
Putin has taken of his suit, tie, and dress shirt, showing he’s ready for a fight. Obama is still in suit, tie, and dress shirt showing he’s not really ready for a fight..
Putin isn’t wearing gloves so he’s looking at an old time bare knuckles boxing match or a street brawl. In either case he’s going to get his hands bruised, scratched, cut, and bloodied and he’s obviously ready to get hurt. Obama is wearing gloves so he’s looking to protect his hands. He’s not expecting getting hurt and he’s not ready for it..
Obama’s hands are actually out in the lead, showing he’s going on the offensive. Putin is holding his hands up in a defensive posture, showing he’s ready for Obama to throw the first punch which he’s defending against..
Putin’s hands are large while Obama’s are small. Given how big boxing gloves are Obama’s hand’s are very small as those are some small boxing gloves, about half the size of Putin’s fists. Typically men are depicted as having larger hands than women and men depicted with hands the size of a woman’s or smaller a given such small hands to depict them as being effeminate. While the larger a man’s hands are depicted the more masculine their being suggested to be..
Both have massive heads. Hey, it’s a caricatured of the two, but big heads are often also used to say big, inflated egos. And Obama’s head is the larger of the two.