It's not a scar. The mark on Drew Brees' face is a birthmark that he was born with.
He had surgery a few years ago, while playing for Purdue, to try to remove it, but it has not helped much. Now he has a little of the birthmark still, but also a scar now. Anyone who watches football, would have seen it.
The young of seals, dogs, armadillos, bats, beavers, dolphins, foxes, gerbils, guinea pigs, hedgehogs, moles, otters, prarie dogs, rats, coyotes, hamsters, mice, sharks, squirrels, walruses, and wolves are called pups.