MLB.com:
MIAMI -- The Marlins on Friday afternoon announced that they were relieving president of baseball operations Larry Beinfest of his duties, effective immediately.
Beinfest, who has headed the personnel department since 2002, departs with three games remaining in the second 100-loss season in franchise history.
Also on Friday, Jim Fleming was relieved of his duties as special assistant to the president of baseball operations.
"The Marlins organization has decided to make some changes at the helm of our baseball operations," team owner Jeffrey Loria said in a statement. "Effective immediately, I have relieved Larry Beinfest of his duties so that he may pursue other opportunities.