X-rays revealed Ogjnen Kuzmic fractured the fifth metacarpal in his right hand.
Rookie center Ognjen Kuzmic signed a two-year deal with the Warriors on Friday.
Center Ognjen Kuzmic is expected to be bought out of his Spanish team contract and the Warriors are expected to sign him to a guaranteed deal.
Ognjen Kuzmic has opted out of his contract in Spain and will join the Warriors for training camp.
Ognjen Kuzmic has a bone bruise in his right ankle and won't play with the Warriors' summer league team.
Warriors second-round pick Ognjen Kuzmic has signed with FIATC Joventut Badalona.
The Warriors selected Bosnian center Ognjen Kuzmic with the No. 52 pick in the 2012 NBA Draft.