Crazy incident happened before kick-off in a ‘friendly’.
A fight broke out on the pitch prior to Real Madrid’s 1-0 defeat to Roma on Tuesday night.
Roma midfielder Seydou Keita took offence when Real centre-back Pepe refused to shake his hand.
Former Barcelona star Keita ended up nailing the Portugal international in the head with a water bottle.
Watch the unsavoury incident in the video below.
Keita and Pepe have previous.
The Mali international accused Pepe of calling him a monkey during a match in 2011.