It didn't take long for Brooklyn Nets forward Kevin Garnett to get fed up with Houston Rockets center Dwight Howard.
Early in the first quarter, Garnett gives a little bump to Howard, who responds with a shove of his own.
It didn't end there though, as Garnett threw the basketball at Howard, then proceeded to headbutt him. Howard responded with what looked like a shove to the neck, as you can see above.
Naturally, Garnett went to the locker room early: