Curry rolled his ankle while being guarded by Portland guard Wesley Matthews. After the game, he jokingly sent out a tweet about the play.
Curry told Fox Sports Radio that the injury wasn't serious and he asked head coach Mark Jackson if he could return shortly after the collision with Matthews occurred. But Jackson opted to keep his star guard off the court, not wanting to risk any further injury.
Curry added: "But last night [Friday] was just a weird, freak play in the preseason." He doesn't see it setting him back for opening night.
Curry missed 40 games last season after suffering from recurring problems with the same ankle. He previously had surgery on it before the start of the 2011-2012 season.
The Warriors open the regular season on Oct. 31 against the Phoenix Suns.