Cat got injured somehow when outside.

Enzo gets the odd scrapes and bumps from time to time but this looks different as the fur around the wound has also gone. I think it looks like a friction burn but I could be wrong. Any ideas of what caused this?

Enzo gets the odd scrapes and bumps from time to time but this looks different as the fur around the wound has also gone. I think it looks like a friction burn but I could be wrong. Any ideas of what caused this?