Boxer Adrien Broner is feeling for the family of Maxim Dadashev. The popular fighter has reacted to his peer dying from a brain injury he suffered last week in a televised fight.

Broner went to Instagram Tuesday to explain how much of a lethal sport boxing really is and to pay his respect to the late boxer’s family.

The 28-year-old’s death has sparked a flurry of reactions and coverage across the sports world.