Mar 20, 2009 10:00 AM EST

Phoenix guard Leandro Barbosa will miss one to three weeks after suffering a bone contusion in his left knee during Wednesday's game against Philadelphia.

An MRI on Thursday confirmed the contusion, according to the team's athletic trainer.

"Anything that will cause the bone to get more action could cause more pain," trainer Aaron Nelson said. "We've got to let that calm down."

He could return as soon as next Thursday against Portland, but if he misses three weeks he'll return with just a few games left in the regular season.

Via Arizona Republic